IMPERIAL ETHIOPIAN GOVERNMENT
AWASH VALLEY AUTHORITY
ADDIS ABABA
• ' ’ T ‘ •»
MELKA SADI - AMIBARA IRRIGATION PROJECT ADDITIONAL SOIL STUDY
ITALCONSCLT Rome. September 197-1IMPERIAL ETHIOPIAN GOVERNMENT
awash valley authority
ADDIS ABABA
MELKA SADI - AMIBARA IRRIGATION PROJECT
ADDITIONAL SOIL STUDY
CONSULT
Rome. September 1071CONTENTS
1, introduction
1 4 1 GENERAL 
1.2 OBJECTIVES
1.3 FIELD AND LABORATORY INVESTIGATIONS
Page
1
41
1
2, GENERAL DESCRIPTION OF THE STUDY
3, RESULTS
3. 1 IRRIGATION WATER
3.2 LEACHING REQUIREMENT 
3.3 LEACHING TESTS
3. 4 SALINITY. Al.KALI AND BORON STATUS IN THE 
AREA
2
5
7
4
10
SOILS UNDER PRESENT AND FUTURE IRRIGATED CONDITIONS
3. 5 INFILTRATION AND PENETRATION TESTS
3. 6 SHALLOW WELL PUMP-IN PERMEABILITY TESTS
4. IRRIGATION SUITABILITY LAND CLASSIFICATION UNDER FUTURE CONDITIONS
4. I GRIT ER LA AND SPECIFICATIONS
4.2 RESULTS
TABLES
1 - FIELD INVESTIGATIONS CONDUC TED AT 336 SITES
2 - ANALYSIS OF AWASH RIVER WATER
17
IS
20
24
24
2(,7
*■
3 • DIFFERENT TREATMENTS FOR LEACHING TESTS Al SITE
No. 300 (MELKA WARAR RESEARCH STATION)
4 - ANALYSIS OF AWASH RIVER WATER USED FOR LEACHING
TESTS AT MELKA WARAR RESEARCH STATION
5 - ELECTRICAL CONDUCTIVITY VALUES (millimhos/cm AT 25°C)
OF 1:1 EXTRACTS BEFORE LEACHING AND AFTER LEACHING
FOR 12 TESTS AT SITE No. 300 (MELKA WARAR RESEARCH
STATION) ON SALINE BROWN LOAM
6 - AVERAGE VALUES OF ELECTRICAL CONDUCTIVITY (millimhos
cm AT 25°C) OF 1:1 EXTRACTS FOR LEACHING TESTS WHERE SAME DEPTH OF WATER WAS APPLIED AT SITE No. 300
7 - ELECTRICAL CONDUCTIVITY VALUES (millimhos/cm AT 25°C) OF 1:1 EXTRACTS BEFORE LEACHING AND AFTER LEACHING AT SITE No. 101 (MELKA WARAR RESEARCH STATION) ON NONSALINE BLACK CLAY
8 ANALYSIS OF A COMPOSITE SAMPLE OF CITRUS ING SYMPTOMS OF CHLOROSIS
<? - ^FILTRATION TESTS VALUES AT EQUILIBRIUM 10 SHALLOW WELL PUMP-IN PERMEABILITY
LEAVES SHOW-
equilibrium
TESTS VALUES AT
1 I - FEASIBILITY GRADE IRRIGATION fication specifications
suitability L.AND
CLASSI-
12 - AREAS OF LAND CLASSES AND SUBCLASSES
FIGURES
LOCATION OF THE STUDY AREA
v T-rENHS
-c-ORE leaching AND after leaci
JOO (MELKA WARAR RES FAR
1
-
oam3 - percentage of initial salt remaining in the soil in RELATION TO DEPTH OF LEACHING WATER APPLIED PER UNIT DEPTH OF SOIL (FROM LEACHING TESTS AT SITE No. 300)
4 - SALINITY TREND BEFORE LEACHING AND AFTER LEACHING AT SITE No. 301. (MELKA WARAR RESEARCH STATION) ON NONSALINE BLACK CLAY
5 - BORON CONTENT, SALINITY. E. S. P. ANDS.A.R, IN SOIL PRO FILES M I 76-NONIRRIGATED AND M I 77-IRRIGATED
6 - INFILTRATION TESTS
7 - PENETRATION TEST NEAR LEACHING TEST AT SITE No. 30) 0 - SHALLOW WELL PUMP-IN PERMEABILITY TESTS
9 - IRRIGATION SUITABILITY LAND CLAS SIFICATION OF MELKA SADI-A Ml BARA AREA
APPENDIX 1 - SOIL PIT DESCRIPTIONS AND ANALYTICAL DATA APPENDIX 2 - BOREHOLE DESCRIPTION AND FIELD TESTS! . introduction
1. 1 GENERAL
The present Study was carried out during the period 24th Decern 
her 1970-28th February 1971 on the area of the proposed Melka
Sadi-Amibara irrigation project which covers 17. 770 hectares
(geographic area).
The Study Area is approximately 180 km due north-east of Addis Ababa and lies on the eastern side of the Awash River extending towards the escarpment of the Alledeghi Plain (see Fig- 1 )-
The Study was carried out by Dr, Fabrizio Rallo, Chief Soil Scien
tist of Italconsult, by Mr, Tewold’ebr han Teclemariam, Assistant
Soil Scientist with the cooperation of Mr. Fittiwy Gebreyohannes
and A to Samvel, who were provided by the Awash Valley Authori
ty. The Study was performed under the direction of Mr. Antonio 
Tamhurrino, Project Manager and the aupervision of Prof. Enrico 
Romano, Senior Soil Scientist, in cooperation with Dr. Ab rat Fel-
leke, Chief Agronomist of AVA, Mr. Kefyalew Achamyeleh, Chief
Enginee r of AVA, Dr. G R.K P rashar, FAO Ag ricultu ral Officer in the Melka. Vv a rar Rea narch Station, and Mr. A.G, Goudie of the State Rivers and A a ter Supply Commission (Australia). G on suitant Agronomi st to A VA,
rhe work was done in full consultation with Mr. William Peters. Tropical Soil Science Advisor of the US Bureau of Reclamation, who had been appointed by IBRD to prepare the terms of reference, to review the field work and the final draft report including laboratory analyses and maps.
1-2. OBJECTIVES
The
present Study was run for the following reasons- 2 -
to incrr.a5e the accuracy of the* land classification, of the ptq. posed project area by means of Held investigaticns (includi^ field testing) and laboratory analyses;
to determine the degree of salinity and alkalinity in the proj. 
ect soils under existing and future (irrigated) project condi
tions;
to obtain additional information on soil permeability deter
mined by means of infiltration rate and hydraulic conductivi
ty tests as related to ascertaining the water intake, leaching 
of salts, maintenance of salt balance and determination of
drainage costs;
to determine the boron content of the soils and of the Awash River Water.
1. i
FIELD AND LABORATORY INVESTIGATIONS
To meet the requirements of the t-. field and laboratory work, was do
° f re^erence’ f^e following
1)
2)
I 13 soil pits. 3 m deep
263 boreholes, 3 m deep f4Q Q from soil pits)
3) 21 boreholes from 3 m f b
4) 12
topsail infiltration tests {ahou, g
5) 23 shallow well p'.impir. permeaUU
c
T)
B)
1 waler penetration test
2 leaching tests, one of which ments, the other combined 
which located abou I 5 m away
'hf bottom of soil pits) a way from soil pils)
h' testB of
„
. , „
H tht
comprehensive laboratory ariai
soil samples collected from si
dlffe^nt treat- test
.
pits
" mfir^tbori^ho^n) on 504
■ OtlR -HhelU soiiFIG. 1
LOCATION
pcthe STUDY AREA
MASSAWA
.TEJISENR!
AS8AB
GONDAR
ADEN
>.SA KOTA
i' ! v_. x-
TINfcAHO
ASAJTl
^FRENCH
•VSOM-sf;-
»t$S¥E
»\ i
ADDIS
■‘T’K
bedeljl
ABABA
"*** A’AAJO Xrz
OCOJJ
/ EG EWANS
r DIHEDAWA
jf
"O'-ftARAFIs
JCt troii /
XiKLEMSD I /
HOSS A.NA1
'BONG A
DOD0LA
U__ —L---- -----------
STUDY AREA
NEGELLI
.■— * — *—*—■
■
■
J k
*
4
*
/
iTALCO^SUI.t]
N. Anv»
90 BO
ZOO
40Gbrn
y •
t
+9) 1 0) 11)
screening tests (electrical conductivity and pH) on 612 soil samples collected from boreholes 3 m deep, mainly at three different depths (topsoil, 1. 5 m and 3 m) screening tests (electrical conductivity and pH) on 52 soil samples collected from boreholes from 3 m to 6 m electrical conductivity for 360 soil samples from leaching tests.
IZ) comprehensive analyses (including boron) on 30 samples of
Awash River water from five points and on 1 sample of Awash 
River water used for leaching tests
1 l) 1 citrus leaf analysis for micronutrients,
Thus, soil and land characteristics were examined at 336 sites
(sec Table 1). with an average density of 1 soil profile per 5 3 
hectares; sufficiently accurate for a feasibility type survey, con
sidering also the data previously collected.
The soil profiles have been described in field sheets using the de finitions suggested in the US Department of Agriculture "Soil Sur vey Manual" and in the FAO "Guidelines for soil description".
The description of the soil pits (point I above), the laboratory ana lyses (point H above), the description of the boreholes from i m to 6 m deep (point 3 above) and the screening tests under point 10 arc given in Appendix I. The description of the boreholes 3 m deep (point Z above) and the screening tests under point 9 are given in Appendix 2. The details and the results of the investigations under points 4 to and II to 1 3 are given in Chapter 3.
All the analyses and the s< reening tests on the total of 1. 528 soil samples collected during the survey, as well as the analyses on the
30 waler samples were performed according to the procedures out lined either in the USDA Handbook No, 60 or in the latest US Bureau oi Reclamation Instructions. Analyses under points 8. 12 and 1 3 above ui.re run in I talconsult s Rome Soil and Water Laboratory. Screen
1
ing tests under points 9 and 10 were run in the field. Electrical con ductivity for 3 36 soil samples srom a leaching test consisting of 12 different treatments was measured in the Laboratory of the Melka Warar Research Station.Jp-
riiLB twvwnflATi— cwr-a at mmo- 5 -
2< GENERAL DESCRIPTION of the study area
Three main geomorpholoKical units may he recognized in the Melka Sadi- Amibara Area: the recent alluvial plain, an old alluvial terrace and vul- canic formations.
The Study Area lies on the recent alluvial plain which is bordered by the old alluvial terrace to the east, being separated from it by a sharp escarp ment about 10 m high.
Vulcanic formations were originated by lava flows which influenced the course of the Awash River; they occur mainly to the west of the Study Area and only to a very minor extent inside it.
Many temporary streams descend to the plain from the eastern terrace, they are collected by a small canal running along the foot of the terrace and separated from the Awash River by a very gentle undulating,long, convex divide, a little higher than the remainder of the plain. The small canal runs towards the Unda Bilen swamp located to the north-east of the area.
Once the Awash River meandered through the alluvial plain depositing its load as its velocity dropped. The rate of deposition near the main stream was considerable since in somr places the river actually runs above
the level of the plain and is bordered by levees.
Two main phases of deposition are readily recognizable. During the first phase, sandy or loamy-textured levels and lenses were mainly deposited throughout the area while during and after the first phase erosion took place in the area and modified the original nearly flat land surface: the result the formation of a landform very similar to that now present. During the very recent second phase a clayey textured layer was deposited in the low-lying areas along the eastern and western edges of the Study Area. The thickness of the clayey layer ranges from a few centimeters to more than 3 meters, depending on the previous topographic conditions (l). Flooding 
and sedimentation have been reduced although not completely eliminated since the Kokh Dam has been built.
(1) Animal burrows filled with clay were found in soil pits during the survey.Most of the area is covered by bushes and or trees; a tunnel forest a few hundred meters wide occurs along the Awash River. A large area free from vegetation occurs on the convex divide which runs along the middle of the Amibara sub-area (see above). Some areas are already irrigated on the western edge of the Amibara sub-area.
Villages occur throughout the plain,3, RESULTS
IRRIGATION WATER
Awash River water was sampled during the period list December 1970-19th February 1971 at the following points:
Awash Station
Melka Sadi proposed diversion weir
immediately downstream of the confluence of the Kessem River immediately downstream of the confluence of the Kebena River Melka Warar proposed diversion weir.
Thus, the effect of the influx of flows from hot springs upstream of the project and the quality of the Awash River water during a period of low discharge were determined.
The results of laboratory analyses are shown in Table 2.
Boron content is generally absent or fairly low. Values of pH range :rom 7.6 to 8 6. The water contains moderate amounts of residual
r
carbonate, which might necessitate slight additional leaching. Ac
cording to the electrical conductivity and sodium absorption ratio 
values, the Awash River water can be classified as C^, Sj, i, e. of
medium salinity hazard and low sodium hazard.
By correlating the electrical conductivity values of the samples col lected during January and February 1971, with those previously col
lected by AVA (1), it can be stated that there is a similarity between 
(i) Analyses of Awash River water collected at the gauging Stations of Awash Station, Awara Melka (Ke9aem River) and Kebena
1 Kebena River) are also given in Vol, 1 - Hydrology and Clima tology, tables 61 j, 62 and 63 (Italconsult Report, 1968).AKALT*t> ar AWASH
VATU
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the values regarding Awash Station, M^lka Sadi proposed divers ion weir, Awara Melka (Kessem River) and Kebena (Kebena River) while the electrical conductivity increases gradually downstream
of the Melka Sadi proposed diversion weir up to Melka Warar. This is thought to be due to waters deriving from hot springs which flow into the Kessem and Kebena Rivers downstream of the gauging sta tions of Awara Melka and Kebena, Assuming the discharge of the hot springs to be 0, 4 cu. m/’sec approximately and the electrical conductivity of the relevant walers 8,000 micromhos, cm approxi mately, 20 cu. m/sec being the total of the discharges of the Awash River a< Melka Sadi, of the Kessem River at Awara Melka and of the Kebena River at Kebena, with an average electrical conductivi ty value of 300 mic romhos/cm, the average electrical conductivity of the Awash River Water at Melka Warar is 400 micromlios/cm. According to this hypothesis, the annual discharge due to the hot springs would be 15 x 10^ cu. m, while the total of the annual dis charges due to the .Awash River at Melka Sadi (I, 600 x 10^ cu.m), the Kessem River at Awara Melka (590 x 10^ cu. m) and the Kebena River at Kebena {301 x 10^ cu.m) is 2,500 x !0^ cu.m approximate ly. Thus, the annual average electrical conductivity of the Awash River water at the Melka Warar diversion weir (where most of the water required for the irrigation of the proposed project will be diverted) will be 340 micromhos/cm.
In conclusion, the Awash River water, even at the lowest How, is of satisfactory quality for irrigation, with adequate leaching and drainage.
2 LEACHING REQUIREMENT
Le-ichiug will be required in order to avoid a progressive accumula tion in the soil of the salts which are present in the Awash River
water.
The seasonal consumptive use, calculated by means of the Blaney- C riddle Formula is V = 666 mrn; the average effective rainfall is Ra - 550 mm; the average growing season effective rainfall is
Re = 185 mm, the average surface runoff is estimated as 200 mm. The portion of the consumptive use to be supplied by irrigation is- 10 -
D = 666- 185 = 481 mm. The surface evaporation tn the nongro*. ing*season is 135 mm. Thus, the average depth of rainwater enter, ing the soil annually is 550 - 200 -135 = 215 mm.
The leaching requirement is therefore;
LR = -481 x 9 4 = 0. 07 
(215 + 48l)x 3
The amount of water to be supplied for the leaching is;
L --------- - (215 + 481) = 22 mm
n 1 - 0. 07
[n a second step, considering that the quantity of leaching water now calculated is;
LR =
^-n ‘
(481 + 22) x OJ
(215 + 48! + 22) x 3
- 0. 07
— - (215 + 481 + 22) = 22 mm
. 
1 - 0. 07
Taking into account the irrigation efficiency cocfficient {Q ?0) thp
gross leaching requirement ia 22/D. 7 = 31 
, A Z
This is a very low volume and it could be sunnT L u CU' n-l/ha' 
the water required during one of the latest
peak requirement period. 
3, 3 LEACHING TESTS
Leaching tests were carried out at two sites (w located in the Melka Warar Experimental Stati °
.^increasing
rri gations1 outside the
0 n 400 and No. 301)
At site No. 
Dr. C. R.K
loamy soil
2. 0 meters
300 the leaching testwa3 carried P„.h.r, FAO Agricultural
(with an infiltration rate of o ( water with constant
'«»p.rMio„ with jaVCr HaI.
». 5,
cm-11 -
Table 3
afferent treatments for leachinc tests at SITE NO.300 (me era warar research station)
, tune: Saline brown loam
Tearing period: 6 to 28 February 1971
Water Applied
Test
No.
Depth
(m)
Quantity 
(1)
Constant
Head 
(cm)
Days Taken 
to
Add Water
1
2
3
4
5
6
7
8
9
10
11
12
0. 5
0, 5
0. 5
I. 0
1. o
1.0
1. 5
1. 5
1. 5
2, 0
2. 0
2. 0
3, 125
3, 125
3, 125
6. 250
6, 250
6, 250
9, 37 5
9, 375
9, 375
12,500
12. 500
12, 500
3-5
6-B
9-11
3-5
6-8
9-H
3-5
6-8
9-11
3-5
6-8
9-11
5
3
2
9
6
5
18
14
10
23
22
22- 12 ■
were applied to 2. 5 x 2. 5 m plots. This leaching test was run on 
1Z plots using different treatments. The depths and quantity of
water added, constant heads and days taken to add water are givei)
in Table 3,
Analytical data of Awash River water used for leaching test are
given in Table 4. It is important to underline that leaching tests
were carried out by using Awash River water during the period©!' highest electrical conductivity (430 micromhos/cm at 25°C),
The values of electrical conductivity of 1:1 extracts determined 
by personnel ol the t AO Mclka ^<±rar Res earch Station on soil samp.ts taken every 15 cm in depth from the soil surface to 120 cm before leaching and from the soil surface to 300 cm after leaching,
Table •£
ANALYSIS OF AWASH RIVER WATER USED FOLRE L_„ AC^HING TESTS AT MELKA WARAR RESEARCH STATION
Electrical conductivity pH
Total dissolved solids at 180°C (mg/l)
Boron (p P Hl )
Ca
+ +
(meq. /I)
Mg++ (meq. /I)
Na+ (meq. /I)
K+ (meq. /I)
hco
3 (meq. 1)
co/' (meq. /I) ci’ (meq. 1)
so/ (n'-eq. 1) Residual Na £CO Sodium Absorption Hollo
A 'O micromhos /cm At 8. 00
290
0. 10 D - %0
880 T «(, Q - 176
I05 0, 677 nil
nil
1 'J) 9- 13 -
are given in Table 5 The average values ofr the elec
T
trical conductivity for these leaching tests where the game depth of water was applied are given in Table 6. The salinity trends before and after leaching and the average trends for the above- mentioned leaching tests are shown in Fig. 2. Fig. 3 shows the relationship between the percentage of initial salt remaining in the soil after the leaching tests, and the depth of leaching water ap plied per unit depth of soil. The figure indicates that 30 rm of water are required for each 10 cm of soil considered in order to reduce the initial salt content to Z0$ approximately. This finding demonstrates that the Leaching tests are in full agreement with the theoretical analysis of rhe leaching problem and with the practical experience gained in areas of US and, generally, of the world.
In order to test the suitability of the clay to be leached a common leaching test was run on a soil represented by 30 cm of clay (with an infiltration rate of ft mm h) overlying a loamy horizon. 90 cm of Awash River water (with the same chemical characteristics as those given in Table 4) was applied to a 1 sq. meter plot, maintain ing a constant head of 3 - 5 cm. The electrical conductivity values of the 1 .■ I extracts (millimhos/cm at Z5°C) measured on samples taken before and after leaching from every 10 cm of depth are given in fable 7. The salinity trend before and after the leaching test is shown in Fig, 4.
As a result of these leaching tests carried out on the brown loamy soils as well as on the black clayey soils, which are representa tive of the soil types present in the project area, it can be stated that the soils can be easily leached free of salts (1).
(l) It should be noted that drainability is restricted at site No, 300,DEPTH (cm I
SALINITY TRENDS BEFORE LEACHING AND AFTER LEACHING FOR 12 TESTS AT SITE No.300 (MELKA WARAR RESEARCH STATION) ON SALINE BROWN LOAMPERCENTAGE OF INITIAL SALT REMAINING IN THE SOIL IN RELATION TO DEPTH OF LEACHING APPLIED PER UNIT DEPTH OF SOIL (FROM LEACHING TESTS AT SITE No 300)FIG.4
SALINITY TREND BEFORE LEACHING AND AFTER LEACHING AT SITE No 301 CMELKA
WARAR RESEARCH STATION) ON NONSALINE BLACK CLAY
0-30 en d AY BELOW JO c m LOAM TOTAL WATER APPLIED 90 cm CONSTANT HEAD J-5cm
ELECTRICAL CONDUCTIVITY OF 1 : 1 EXTRACTS (mmhos/cm at 25*C)
BEFORE LEACHING
AFTER LEACHING■ 14 -
ELECTRICAL CONDUCTIVITY VALUES (mllUmhoe/cm AT 15“ C) OF | | EXTRACTS BETORE LEACHING AND AFTER LEACHING FOR || TE1TS
t
AT J1TC JM
(MELKA WARAR RESEARCH STATION) ON SALINE BROWN LOAM
-
U> Applied (m)
0.5
o,s
o.s
1. 0
1. 0
1.0
I.S
I.S
I.S
2. 0
uiatanl Head (cm)
1-5
6-6
9-11
i-s
6-4
0-11
1.S
••
9-11
s-s
SoU Sample
Doplh
(«m)
Teal No 1
Tert No. 2
TeH No 3
Teal No. 4
Teal No 5
Tool No 6
Teat Ne. 7
Toot No 0
Toot Ne 4
Tart Ne 10
Ba lore
Leeching
AitCT
Leaching
Be Io re
Leeching
After
Leaching
Before
Leaching
After
Leeching
Before
Leeching
After
Leaching
Betore Leaching
After
Leaching
Be lor.
leaching
After
Leaching
Be !□ re
le.clbg
After
La aching
Before
After
Leaching
Before leaching
After Leaching
Before
Leaching
After
Leeching
0-15
14-10
J 0-45
45-60
40-IS
75-90
00-105
101-uo
120- 135
115-ISO
ISO-145
I4S-II0
140-105
195-210
210-22S
215-240
240-255
155.270
210-2*5
2*1-100
1.2*
0.70
1 40
1 25
3. 40
1. so
2.54
2. SO
0 54
0. >1
0.54
0 70
0 06
0.72
1.01
101
0 06
2 10
1. SO
0.22
1.40
0 06
0 44
0. *4
1. 55
1 00
1 25
1. 30
1 90
3. 10
9. 50
6. 20
6.00
2.54
2. 52
2.15
I. 50
1.55
1 05
2 60
0.70
0. 75
0.67
0.06
LSI
1.57
1.42
2 00
2. 10
2. 10
1.55
1 10
1 SO
l.*7
1.55
2. 10
5 60
2.70
5.90
5.60
4 75
2 IS
4. 45
2 04
1 52
1.51
1.43
1.40
1.S0
1.54
1.53
1.53
1 57
1.56
LOO
2 54
2 25
2.57
2. 55
2 0O
1 30
3. 00
2. 30
2. 00
1.42
2. 10
6 00
5.45
4.03
3. 02
3 00
5 00
0. »
0. 11
0 42
1 52
1.34
0. 17
1.40
1 65
1.53
2. H
1.2>
1 6*
1.5!
2 00
2. 1*
2. 54
2 20
1 S5
1.55
l.l»
2 53
2.50
1.57
2 52
2. 20
2.52
2. 10
2 35
0.46
0. 44
0 54
0. 7*
1.57
1 SI
0 91
0. 35
2 10
1 57
1.51
1. 13
1 44
LU
1. 41
1 S?
1 14
2 15
1.59
2 25
3.40
1 14
a 75
4. 45
1 55
1.50
1 59
6.75
0 42
0 44
0 95
0 90
1 14
1.00
1 00
I. 10
4.65
J 40
LSI
LSI
1 03
1.59
1.21
1 IS
1. >2
0.94
1 12
1.10
4.01
4 15
5.51
1. 50
3.60
1.59
1. 00
2 56
0 S9
0.75
L 44
1.52
1.50
1.04
1.57
1.56
1.15
1. M
0.27
0.17
0. 24
0.19
0 24
0.27
6. 11
0 42
0 29
0.90
a 50
3.44
1.12
2 15
1. 59
1.41
1.21
1.44
0.53
1. 10
0u
o. 56
0 46
0.95
1.24
0. 19
1 14
1 10
L 11
1 14
1. 10
1 46
1 54
2 50
1 19
>.44
2.96
2. H
4 45
5 00
0.50
1.70
2 03
2. 60
1.51
7.60
0 S3
O. 37
0. M
0 55
0.06
0.70
0 02
0.76
1.56
2.45
1.31
3.05
1 44
2 54
1.54
1.56
1 52
2. 10
1.52
4 45
6. 20
7. 40
4. 00
6. 10
4. 00
1.90
1. 20
0 15
1.10
0. 74
0 64
0. 55
0. 42
0 IS
0, 11
0. 51
0.01
0. 90
1.01
1.49
0 91
1. 10
1.56
2a
1 20
0 He
0 66
]
1 ■”
Li5
VAEU« or ZX^TH.CAE
»^ »A^ DEPTH OF "ATI* WAS APMJ™ AT SITE
c
AT
W
Sall
t«fnp>li
□ cpiJl
{emJ
Awtrai;* tor Fflli N’d
i . 'T -k
AvtHflfl for Tails
4 - 5-6
M>rH* far Tfala N#
7-rt -4
Ar«n^« tor T*it« *«'-■
lo-n-u
A«f?r*
Lv»rJhirtg|
After
LmieUk
B«for»
L**eMni
A liar
Lafetfeiaf
llrfiari
A.fi«r
L»eMci.|
lletof * AJtor
L-rae^js*
(
o-li
4 1* 10
ja-*5
45-40
40-71
7 5-10
90.105
iOS-IJD
120-135
115-llG
1*0-145
bfcf- LIO
iw-nj
195-110
£ LB-2*5
UbM
240-155
255-210
270 ias
■195-100
J. 59
111
5. *1
5.01
4.7S
t.t*
J. JT
1 41
«!
1. IA
1. M
1.69
I.
I, Q5
I. 00
L 07
1U
I. M
L« «
Ml
1.7|
1.11
Lrr
1. M
J. 11
1. L I
2. 52
!. OS
2. 1)
2.45
l.'ja
5b 44
4 bl
a. jjd
2. bl
2b 10
4. 70
0. 41
0. 41
0.43
Mt
J, J5
I. 12
1. 13
h 76
3. 16
5. b5
4 lb
5, 04
>. 41
2. &7
t, Ab
I. 90
b *7
L 44
1.4J
I. 31
I. OS
I.
1.41
LfiZ -
lb 55
1,41
1 56
0. 4*
0. 76
0.93
].2l
h 10
O.'Ofl
1.41
1 0?
1,35
1,39
0. 93
I. I«
0. 96
1. 39
5.4}
5. M
5. 24
4.03
3.62
2. 52
3. lb
J , 04
L
1.44
lU
t
1.32
1.45
1,14
0. 95
0. 6-4
0. 54
0. 44
0. U
O 41
o. n
0. 51
>»oi
1. 23
1.62
t. ’I
2.03
1,44
1. 57
t. 55
1,41
L.A5
1,79
I.M
--------------- ------- -- 16 -
0-30 cm
ELECTRICAL CONDUCTIVITY VALUES {millimhos/cm AT 25°C) OE):1 EXTRACTS BEFORE LEACHING AND At TEr
LEACHING AT SITE No. 301 (MELKA WARAR RESEARCH STATION) ON NONSALINE BLACK CLAY
Clay; below 30 cm; loam
Total water applied: Constant head; Testing period
90 cm
3-5 cm
18 to 23 February 1971
Soil Sample Depth
(rm)
Electrical Conductivity of 1:1 Extracts
(millimhos/cm at 25 °C)
Before Leaching
After Leaching
0-10
10-20
20-30
30-40
40-50
50-60
60-70
70-30
50-90
90-100
100-110
110-120
0. 68
0.69
0.87
0. 74
0. 5fe
0. 71
0. 63
0. 52
0. 61
0. 78
o. 74
0. 6*3
0. 59
0. 56
0. 63
0. 51
0. 43
0. 39
0. 42
0. 49
0. 53
0. 81
9. £0
9. 61- 17 -
SALINITY. ALKALI AND BORON STATUS IN THE SOILS UNDER PRESENT AND FUTURE IRRIGATED CONDITIONS
Analytical data and field teats »r« given in Appendix^ 1 »n<l 2 these show the present state of the noils in the project ar — .
Soils with saturation extract electrical conductivity value* of above 4. 0 millimhoa'cm at 25°C in the root ion* (1, e. th* top
70 cm) are few in number. These mainly occur in the <tiuth-ea it * ern part of the Jvlelku Sadi nub-area and nlonR the lonultudlnaI convex divide which rune through the central part of the Amlbftf* sub-area, i.e, on brown loamy noils located in hlj(h [(round. Il !■ thought, therefore, that unuaually extensive and prolonged (load
ing which took place tn the lower parti of the project area Juat be fore the survey, was the cause of the present distribution of ■ •Unity. In fact, the salinity levels measured during the original soil survey for soils in the lower parts of the area where greater than at the present time, the order of magnitude being almost comparable 10 the levels still present in alluvial soils lying on high ground which was not flooded,
The leaching tests (see para, 3, l) have shown that these soils do be easily leached and the electrical conductivity of 1:1 extract brought down to 1 millimh s/cm at 25°C or less (I)-
The possibility of maintaining under irrigation a salt balance not damaging to crops, is also demonstrated by the absence of saline soils in 5 year irrigated farms located in the western part of the Amibara sub-area (see Map I and Appendix 2).
Sodium in the soils is present at insignificant levels, it can be stated that alkali soils do not occur within the project area, Residual gyp* sum is generally present in the soils. The hydraulic conductivity
1) ---mong the crops considered for the various cropping patterns, tobacco is the least tolerant to salts, requiring a saturation extract electrical conductivity of below 3 mlllimbos/cm
Z5°C.- 18 -
. on fragmented samples after 1 hour and 24 hour, 
values measu. ^
{ere
nces. The variations in sodium ab.
d ° 'f Cratic (S\R) follow the variations in exchangeable sodium percentage (ESP). Generally salinity. ESP and SAR increase with depth.
Boron in the soils is present in moderate amounts in certain loca- tions generally below the root zone. It is often higher where saU ty is higher. However, the boron content varies greatly from hon- zon to horizon, even in the same soil profile.
Observations run by IAR on crop responses have shown a good re covery of citrus trees that two years earlier suffered from a dis- turbance due to high boror. content in the leaves. Determinations at this location (Melka Warar Research Station) have shown a low .. ■ * °n contenl hi ppm) in the irrigated plots (see soil profile
’
ppm) in the neighbouring nonirri
gated land (see soil profile M176, page Al-82). The latter loca- ' Hon shows the highest boron content out of 11 3 sites analyzed for . 
leaves ah6"? present in7hng present in ver h’ x 
& ? 'V'"S th' analVsis o{ a composite sample, of V ° f ChI°r°81fl’ collec^ ^om the citrus
M 1 77 wa« examined. Iron is
ratio; it i8 tht? ’gh ,,rnounts> taking into account the calcium, boron 
elements arc normal.^ C°U*d be tOidc: ?he ,evels of th® O'hCT
Fig. 5 shows the ’-‘ends of boron content, salinity, exchangeable “ • "“™ absorption ratio (SAR)
dt
I
throughou. the 320I depth „
M177.r„ . .d, Th. figure i, eeU-explanatnry.
nonireig.ted and
gt
3. 5 .NFJLTRATION AND PENFto
- ^->ETRATION tests
Twelve infiltration tests were carried out with meter at 3 cm constant head after the soil was
a two-ring infill1*0- ploughed to a dep^BORON content, salinity, e.s.p. and s.a.r.
IN SOIL PROFILES M 176 - NONIRRIGATED AND M 177- IRRIGATED
BORON
< P p.m J
ELECTRICAL CONDUCTIVITY
OF SATURATION EXTRACT
(mmho»/cmat 25 *C)
------------- SOIL PROFILE M I7S-NON IRRIGATED
SOIL PROFILE M 177-IRRIGATED- 19 -
Table 8
ANALYSIS OF A COMPOSITE SAMPLE OF CITRUS LEAVES
SHOWING SYMPTOMS OF CHLOROSIS
Determination
g. % of Dry Matter
N
p
K
Ca
Mg
Na
S°4
Cl
Fe
Mn
B
Mo
Zn
Ca/B
P 2°5 
k 2 O
N + P2O t-K O
3. 09
0. 12
1. 50
5. 09
0. 40
0. 064
0. 65
0. 035
600
25
230
0. 40
22. 0
221
0. 28
1.81
5. 1 8
Physiologic
Equilibrium:
N (%)
P 2°5 (%)
k 2o (%)
59. 65
5. 41
34. 94—
i
- 20 -
Of 40 cm in order to avoid the possibility of cracks (especially « 
the clays). After ploughing, soil horizons were readjusted acconj. 
ing to their original sequence and soil material compacted, ciej. 
water was used for the tests.
The infiltration curves are shown in Fig. 6. The infiltration valuej al the equilibrium are given in Table 9.
The values range from 3 to 12 mm/h in the clays and from 12 to 
23 mm/h in the loamy soils. It should be noted that the lowest
value is in agreement with other measurements performed by 
Dr. C. R. K. Prashar. FAO Agricultural Officer, at the Melka
Warar Research Station. All the infiltration values measured ex
ceed the critical value of 2. 5 mm/h below which difficulties arise
in soil management.
The wetted depth of soil was always less than 39 cm at the end of the tests. These values are in agreement with the findings in the irrigated soils present in the project area.
A penetration test was run near the leaching test carried out at
Site No. 3 01, 90 cm of water were applied under a constant head of 3-5 cm. The test was run on black clay 30 cm thick, overlying a loamy horizon (see Fig. 7). An average value of 3. 4 mm/h was found for penetration.
The vertical infiltration in the soils of the study area can be confirm ed on the basis of the fluctuations of the water table which are due
to vertical penetration of flood waters (almost all the soil profile® examined during the survey were moist)
i
3. 6 SHALLOW WELL PUMP-IN PERMEABILITY TESTS
Twenty three shallow well pump-i . permeabir
r
1 18 volume of
permeameter tests) were performed by mea' eStS C" '' wel1' water flowing laterally from a borehole lo to/ *
and 3. 0 m deep in which a head of water f'm/. 1 C’n in diameter and 155 cm (average 150 cm) below the
‘
atln 8 between 145
-s maintainedFIG. 7
’ENETRATION TEST NEAR LEACHING TEST AT SITE No. 301
TOTAL WATER APPLIED 90 cm CONSTANT HEAD 3*5 cm
0-30 cm CLAY BELOW 30 cm LOAM21 -
Tabic 9
infiltration
tests values at equilibrium
Date
Topsoil
Texture
Infiltration
Rate
Testing
Time
(minu les)
11, 12. 70 31. 12. 70
2. 1. 7 1
2.1.71
6. 1.71
6.1. 71
24.2. 71
5. U 71
2-I. 2. 7 1 28. 2. 71 28. 2.7 1 17.12.70
clay
sandy Joam
clay
clay loam
c lay
silty clay loam
loam
clay
silt loam
sandy loam
clay
clay
12
17
5
22
4
1 2
22
3
16
23
6
8
325
360
375
270
360
225
340
420
235
290
255
3 35
Wetted Depth
(cm) 38
33 31 39 27 2 3
28
28
19
34 30 39- 22 -
In this wav. the lateral permeability determined is a compo rate for the total depth I. 5-3« 0 m and mainly reflects the S" ' meahility of the more permeable layers* Clean water
for the tests. 
U8c^
The permeability curves are shown in Fig. 8. The permeabil values at equilibrium are given in Table 10(1),
The pump-in permeability tests were run in order to assess t-- drainability of the soils in the project area (2).
(1J Test run at Site No 53 ( j
»s not shown in Fig. y - tllr° Khout 3 meters ol depth)
u
practically negligible Table 10: Iateral permeability
(2) The ob‘a^ed perTne;lbii
actual Ugurcs, no filter h “
1 UCS are probably less than 
observation well and . laving been installed between 
. 1 s°il; the finest fraction which be- came suspended , when dm
a fairly impermeable
- ***" may have formed ning well walls.SHALLOW welL
7: BOREHOLE numb£r- 23 -
fable 10
SHALLOW WELL PUMP-IN PERMEABILITY TESTS
VALUES AT EQUILIBRIUM
Permeability
Test
No.
Date
mm/h
m/ day
2
5
7
1 3
16
27
40
55
SB
81
83
a 9
LOB
1 14
212
22 L
226
230
232
266
280
301
31. 12. 71
9.1.71
31.12.70
2. 1.71
2. 1.71
6. 1.71
24. 1.71
24. 1.71
19. 1. 71
21. 2. 71
22. 2.71
21.2.7 1
4. 2. 71
4. 2. 71
15.2.71
15.2.71
20.2.71
15. 2. 71
15. 2.71
19. 2.71
22.2.7 I
27. 12.70
5. 7
12. 5
19. 3
10. 6
3. 0
3. 3
9. b
2. 1
6. 6
4. 7
5. 2
4. 4
5. 3
4. 5
42. 0
8. 0
H. 0
106.0
700. 0
4» J
21.2
0. 14
0. 30
0. 46
0. 25
0. 07
0. OB
0 23
r
0. 05
0. 16
0. 1 1
0. OH
0. 1 1
0. 13
0. 1 1
1. 00
0. IQ
0. 1 Q
2. 54
16.80
0. 03
0. 09
0. 51
~—— - . _I
- 24 -
4 :RRIGATION SUITABILITY LAND CLASSIFICATION under future conditions
4. 1 CRITERIA AND SPECIFICATIONS
The land classification was conducted in order to establish t
tent and the degree of suitability of the lands in the project are. under sustained irrigation. Thus, the classification was based- future irrigated conditions and took into consideration water rj ty, soil topography and drainage factors, anticipated croppingx terns and related farm enterprises.
Suitability of the lands was measured in terms of anticipated ret income per hectare by considering the potential productive capa city and costs of production; thus, the land classes were based on the economics of production.
The costs of subsurface drainage and the major costs of land de velopment involving clearing and levelling were considered a cct cost rather than a farmer cost and therefore were not dec.n* as regards land class unless the maximum permissible cost exceeded
I wo basic diversified crop classes of arable lands and one
ca
- -' of nonarable lands were adopted.
In addition to the land class and subclass designations, inforrn* c tive appraisals including land use, productivity, ranges development costs, farm water requirement and land drainatj* were made. The following ranges of land development costs
• neated within the araole classes and subclasses; I) less than E. $ 750, hectare
2) RS 750 hectare to E. S 1. 500, hectare. ”e .».”e « “ ‘“
e
1
l, it ,i,>" 8“rve>' conducted atrictly 
«y ah ’“7 
h >' 'BRD — adequately 
>■>'. ‘ fFLA3SB1WTY
GRADE IRnlQA-nuS SUtTAlHL:
TV JANI'
Gi-Afi’iir:eATioN fiPECif icath ■
----------- ---------------- ----------- 1
For DLvor.ll.rd Crop ProdurUW ■ C.r»vitv lrr. »ll«i
S
]^>nd iZii*rart«rliil£«
niat* t ’ Arable
Cl-«a - - Arable
Ssyii
T>*Ul r-
Surface, il-TOcm, after pl^fiiLnt
SabaurincF
FZseKaniertl* sodium |ai equilibrium
„?u|*i irrigalifffij if- raat iot?
SelLEitv lai equilibrium Under irrlgAtlonl
in. rod. iurnn
LU*»rU»l c«iduclb*Uy *1 a alu ration
pHtFlCf
7ci;wH r b ph i
'■ tope
Tu««l develujmeHl cd«1'« for cleatrin-g trd
Je's"tb»a ■!«•!■
IJraiti ijjri
i£.ternei ; u-l
Sandy Idem to friable J*Y loam Loamy aand to uabla (rUMe eU» loarra
Zai a a til art | g*i
SUM? I'Mrri ii> ahibte iriaVLe ' Uy
Loirnv sand to firm but pcrrncahlr i'
Lrti rka^
l-Eia rJiae. 4 mmh-oi cm
Leia than ICJ mmhoa cm
£■■*•■* ih.*r, | percent
l-ena ih-an E 5 1,5ft1! hectare
Ij'bv -than. I percent
la>ie ttian rZJ I SCin UrUrt
rjAiod TiLUhU nvflT a 'aide- muliiurc
sangr
MalaiURf mo re me n1 a nd r >n-t de'. e I up -
mens m-dv S» iomewhat imp«-4«d
Tilla-J-l-e civwr .1 rutrr.,.»*> Hijab S-Ur< fjj
1
■ ■ c N QM-AAA R Ei
*”' " )*mIb wsicH d, Mt th« minlrtvum require nil lar the other |lcd cUiew. M «re no' ««ULU -or >rtiffaLior
mXk J J B°i r/."
-nd Merely eMmlMuwted lewli q|l athe r obvtoutly non-arable -r«4.
* Lth
al l!Iljrr pDlUlar eu t»ar ratum iMrulftL,
7 he v inc ]
Fifdgh
>i .-alulitv eUdUi Und dr
W opBl
|r
flS IM| dr*u. >pacUt do mi Lnflu.nce UM CU
« LCiltiirrjr Jiuh u i mine
■ t anUn th* •ilirim Him p»f rtiinatafc c ,lt ,, e see ElR ESULTS
The feasibility grade irrigation suitability land classification under future conditions is shown at a scale of I ;20. 000 in M sheets ! and Z and, in a reduced scale, in Fig. Q.
The location of the field investigations (sec Table 1) is alao in Map ], sheets 1 and 2. 
Soil profiles are represented in Map 2. sheets 1 and 2.
The areas of land classes and subclasses (in ha) are given in Table 12.
OwcFIG 9
IRRIGATION SUITABILITY LAND CLASSIFICATION OF MELKA SADI - AMIBARA
AREA
No 40136- 27
Ta big 14
areas of land
CLASSES AND SUBCLASSES
-—------------- 1
band Class
Subclass
Hectares
B.7R8. b
1
2
1
2s
6,8 10. -I
—---------------------------
Class 1-2 Total
15.599-0
6
6 sd
6t
6td
6d
6std
32, 8
254. 8
110. 8
45. 2
856. 4
Class 6 Total
1.300.0
Class 1 -2-6 Total
16.899.0
Geographic deductions and rocky
zone £
871.0
Total
17.770,0SOIL PIT DESCRIPTIONS AND ANALYTICAL DATAIll Til
>R
1
1
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it
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DATA ON SUBSTRATUM M<AER THAN > MFTENf*1*1
gon err description ano analytical data
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DESCRIPTION AND ANALYTICAL DATA
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BOREHOLE DESCRIPTION AND FIELD TESTSborehole description and FIELD TESTSborehole description and field tests
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Hold apprOioal By: F. Kalla
LOCIhon ! AmtUn Plain ((or derail tee Map J, 51ir»l 2)
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Local Ior : Aailtart Finn Iter tnnl —• *P *■ s1iMt ZJ
>!©•* RlcriroHiC: About <>■*• !•<•! alopo.
YOQBlaltan and ill
Sail p«r«Mibll|lr: Moderately »lo*.
|m
l«Rpl«
faprh (ml
R«
|k >«ari h* 1 1 Hri nUh-
«■«
M h i a 11 onn^ ~' '' ~~ '
'
Q.3DO
city i**tn
ah ghi 1 t ci L c• r«ou«
—
•
--—.
”—-
—
'■
.1
Borehole No 5 2«>
Dall: 4/1/71
Field ippralail by: r RftUa
Location Amiban Plain Iler d«Lail ice Map 1, Sheet Z)
Slope and mlcroilllll About 0£ nearly lev«l e'.opa. Ant-hill about | , S rn high neaeby.
YlflalKton and non. C-itanwn tuibes.
loll pormoablllly : Modeiise.
Ha-rliaa doplk 'rm
lealuie
Soioplv
depth m)
PH
I <b-J
J i'i «n-
nhiki *>
UPt
M 1 ■< a 1l« ohii • 
_
0-1 CO
Loam
-
caldreaua
_ ——■—
100-265
•a-ndy Lo*m
u
calearaOua
, ——-
7bO-2 aD
•*=J
caLuraam
r
__ ___ _ —— —~ ~ ~
21D-100
laimy e*n.c
riLcareouv
_ __ _ — -—“J—
---------------------------------
______ - -■'J
_ ________ -——
1
___ _ ~~
___
 — - ' -
__ - -am *
BOREHOLE description ano field tests
Fi«ld ■ppraiaai
y Aazx#
$1T
**'
P1-‘" [f°' d‘Wl1
’• Sh"'
X*\ ............ A-’*—
|t
rf ^-« G,*“ »'
1
n
H''*'"'' '
M.deMl'lv •>’w
Iwthalt Ha : 3 Ju
Oa1» . 1 l '7L
Fill'd ipR'alaai 5y ; F, Raila
LKiGiaq
Amlb*ra ]'|*in i'far d«>uiil irec Map 3. 5ih,e#'t Z|
!*<■* iAd riiCiorallaf.
*W»tlm UM
h ' «"’»■ ll>kIlly
About a fl ]«vb] ■ Tape,
Mirny iri»i and bnjthvv-
Modiratfly slow.borehole description and field tests
Amltan Pl*l« «-»’ *«»“ •" “*P '• 5h"1 21
Slope w»cioreli>h At>™t
VM «l.tl»n .M : M.BT.I-U
Soil plfHltlblUly i Mc-dtrfE*.
•!<>?•
b-.nd.ry-I*
H»r>J4ft
Jtpfh !■
1
(sr»pl«
(<M I
|l IM.
Il 1 1 ■■■!
li»<
M i 11 • 
‘
O-BQ
[Mm
__
—L
cilctrwui
•Ul lb*fr
ca L c> r ecus
iZQ-itC
jindi lO*TT
c aid reou ■
IfcMW
I Lit l&lff.
(■[;iraaua
—
aw-zsa
tandy lalrr.
cfelcMFcvul
" ■_k
lU’-UCO
»Bd
cilcarraua
’----- -0OREHOLE DESCRIPTION AND FIELD TESTS
D<«! Moli Wo- - j 5
AnUb^rt PUI» <fo Si op* mkr*r»ll»l: Aboul O ^ VcottBlion ii*tf UM Cotton.
Sol- poraoBbl'IlIlf - Me<*r*!e
1
D
r dttiLl Ifvfcl tic
krnSwik Ly iEow.
tl«: b Ire KUp
‘i/Tl
fl»ld apprilm h
''"’’’X
' ’•»•
r
■’arm.
Murliifi 4««th !«iw
Ti■i*»■
1
Ci«l
|i
■1 " v b.i-
» «*
it* r
M i 11 # 1 f a *n*ifinj.j _ _
~
0-15
eLM
■lifhtjy cBlc*?roU4
"
15-12C
kun
E l l cl recall
—
~ ——
120-1 JO
■1U lot.-n
etlcarioui
~
ITO-1?0
■*sjdy k-tm
cilcBreo-ui
]?Q.JOC
Imsh
Ell e Bream
~ ——___
- —-—-.
■ ■ ———
-----------------
— -—
--A,’ • I *borehole description and field tests
BfrtpfcOl* Nd : SI?
Location Slop* and VtgttatkDA
Amibwra
Dita: 1/1/H Pltisi '‘for d«u»ik •** MftP l" s*eet 2I
ffl j C« OF •■!■*
•nd nN*
Soil uirfBMttOltf ;
About &''• l««l
Wai’i.
51 ow
Madii*
idip'h Ifl* 1
Sample #P+k !<■»•
.»
1
Il f*W 1
P M «.h
ntesr
M 1 if •114 in funnyi I " - ” "
_
6-10 •
div lCfcara
■lightly €*le»rwui
’ "——___
JIMlC
loam
E»L«arcfitif
590.3 DO
cSa.y
____
•Hfht’T calcar tBtti to none a lek r>ou«
"—-—
1
~—
—-
1
1
1
‘Burthola :h<j . 5H
Luc at *
I 3 Inp» aafi micrpraltif :
............... .HO ...
1411 v«r<H»flbii1tp ;
Dala : Fipjci appralia'I ■ Rail0
SEE.SOTLm y .AM»
W<w (
' N«uh«
rfaprfc
Tawife'i
iMMlpIl
dap-hlwal
pw
l« ■■'»<
ar 1 1 lu
ma,i
M Inca II ■««■»• 
_
I.
1
.
—
— ---------------
—""I
_ __ -—
“------ —
L
_ __-—
-■AZ.il
borehole description and field TESTS
KVfAibI
b)l
F
Ri]la
fi
1
I”*
.. Hl*1
5^
A^fl
«lcror.H*«
*n4
f
,nll r
P)j(
n
**■**■> -
sh#«t a)
Ab e«l 4* r.*r!y !**•<
V.ry r<-
Mod*3"*1*
V«ry (»* Y*ry ■mill huninw^lLi.
■*•*•!• Ho $ 4(|
h K*ti«H Am J tar* PtJin ifar
■ «» M«p L
’"**
Ifci BR^« ||
■ OU If, z«rlv J.rtl ,1^.,
■*< *«< Few buihe. and imh tr...
4 Ut
|.
hfodafAlaLy slow.
■’"I
"TP
II
-1 I'l *0l.
»hM,. it u*C
iMilvfltannawi
MFlf ilUrwn
ciLclrtuu*
CAlCA rcoua
___________ —----- - ----- -
rilri r suit*
____ ___ .---------------------- ~
[ihlMdUA
— —-------------------------------—
Cllc*r«Ow«
----- ------------— ------ ------ -----------------
—
----------------------borehole description and FIELD TESTS
imlAsilbarft F>a1b |l»r 4tull Map I, 5X«»L Z)
lippo
Vtfi’ilH* *M ¥•• 
Q io 1 !*wl *lop»
F*« acacia !r»«a aad common bvahaa. Burned traailancL
fell vacnvilllHp: Si**
Hoilaea
taitwra
l«-pU ! ifop’h l|Mi|
J*
Bl ' W^tak.F
W*<
Ml tf fellanasM H
Q.B9
«iaT
tUghltf calcatefriii
tO-l*0
lOATTT
■ ironfSr calcarrmii
__._
IJOUQO
■liEy •*•¥ l“m
aircmgLy calc«r«guf
•indy t«a.m
■ironih1 e ilea r com ■
~
cUy
■ CrOngLy (Alcaredua
_~
—
-■■—borehole description and field tests5* -i *'borehole description ano FIELD tests
<1.
*° slM
Lccalit* ' AmlWri PUIn
Oil*: M/I/7!
for dtUll «ee M*p 1. Sb*** il
tlop«
Vrgelittan *nd ‘
: Alwul 0% n#«rlrld«J alop«.
F«* bn*h*i *nd irt«i.
SdH p»rBrt*a&iUlj i MgderltflT iKorw-
!*■’*»■
dfftk if*
fep't ictal
F«
j- P*>f
l-l Illi
*■**» si
>l*t.
Ml IC ■ II BHBaUfq "~
a. 40
eliy
D-ZO
6,0
0. 1?
rnj ncifc Lei r eouj
~ ~~ ~'
40 -55
el«v loJim
cilcayysuB
~~~——
55-70
CB IciFEHUj
TO-'JO
■ ih l6*im
rilcareov*
~
10-240
findly Lstfn
140.160
i.o
0,55
cikirKui
240-210
cUy
ZfiO-300
---------------------- ’ 1afc.m
2B0-5W
6. 5
0. 39
eilE*ra*iiiborehole description and field tests
F| *t4
b F. |
r AeL e
0 B 0*
Ab U
gr£w bulb*"- Griil-»|-
k {Ad«rB:«>r -«<>*
N«i.; S.I01
1<IIIBM :
Amlbars P3»ln ifar
Oil*: 10/1/7]
««b Map 1, 5ha<! Il
Hili wraiiil by- r Ralls
1 * ** ■4cr«i«ii*i:
’'"■W mi
1,11
:
Ahflut 0”, naarlf l«v»l ■ !***.
r«-- fay fhca .
Slow.borehole description and field TESTS
S1W aod rwlcta+alief:
n**Hy Iml
y»f«l«llon
**d
u«*
F«wH»h«
Gftdni.
Soil pormo
ibiilly ■
1 H»» !■•«*
d*p»h Itflj
lialNit
Sampf*
dapiii |c»l
*"
KI. «■“*
J 11 .»>■
«• 1
Wl|<all®n KiQif g ~ ' ~
0*200
»
Cr
0-2& JAO-LtO
1. &
l.o
0. L I
0. 4S
•lightly MlcArvEvui
_~
JQO.JOO
loitn.
210.10C
#_0
0. M
rlltireOrai
- —?
“ ■——
*
__ —^-_
•
~ —-
—
'—■
■ ’"
BO'OIION HO. S105
Data: 3O.*|/7I
Field appianel by F. Malta
| Loe alii on : AnuTba-ra Ftaln (for deuil iet Map 1, Shse? Z)
Slope and mie f a r Bl ial Ahouf Of. ■ lifhliy unital atint a tape
Vagalailcn me uia ; few buihva, Gffarini-
Boll paaffiaabllllY • Slow,
Harliaa depth 'em
T«al r« •
v
S.«pl«
a^'kltie)
>«•
ii ■ J l-t iHr
n*c
MilcaOaHaaifi
0-iOC
clay
5-iQ
140-160
».0
HF
®.?i
■lightly c*kAr«DHi
__ __ . ------■ —~~~
200-100
ltf>m
210-)00
T, 5
L27
ealearaauK
_ — —*—— —
__ _.- -
_ ——
________
-BOREHOLE description and field tests
FI*M IPPFM«»|
r JUUo
About o£ l*»*’ ,l0t”
jr^-w b'U « h r ■-
l
^ d<r«>' V flow*
o
M Sic ■ H g* BQ"#I
< *1 ClTt-a-lM
cAleiraaua
ca II C 1 F I QL! Il
tlk* "?-3Ui
c»]c*renui
calcarroua
hrifoll N& : 5 107
□ at* JO/1/T1
riaid fpprairai &T ■ F. flbUo
tk4tiM i Amibira Plain
I for d« Pi bl ■ *# M_ap L, Shaft 11
ll ’** rnIctflralkal *•..........* Md II..
Ibl ""Mamin,
About |»v«L ltopt
FrECjuriHt t-«M in4| buih«*
Mod*ritftly alow.borehole description and FIELD TESTS
4 B<«hol* No
LKtllen :
5 IS*
Del*: jo/l/n
Anilbar* Pl*L«i (for detail ■« MlP *
l
Sk *-t
Slope Hid McrtMlkif: About
Vegetation end v«:
Bo 11 perm** bit IIJ : SJfl*.
nr
HiokitA
depth
Its l*w re
Sain pls
i Ai 1
pH
1- '] Al >' I «»lr
M ii c »11« ft® oy
0-5-G
IfiJUTI
clicar«u»
"_
SO-2 ID
cur
e tic* recrut
210-200
• tn-«iv S'G’iurra
uioajVQM*'
210-2111
find
calorecui
2*4-IM
til! loam
-cai rfernauB
~ ~ ~ “"’"''■•j
—--
_
.
-----------------------------------——----------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------
Borabcle No.. s 1 o*
DMl: 3D fc 71
Field appraltal by: F. ft* Lio
Location : Amitiri Flelr. (to? d«E>ll ice Map 1. Shae* 2|>
5loot end m4cr«F*ll*1: Abe-ui 0"', ]«ve]
,
Vegetal Ian and u«« : Fsequtnl luiheif *hd few treei m*f ‘beiscL mark No. 42, Iqi| par mobility MaderaftLy alow
Hither deplb rjB i
Tettlwra
Sample
dapiii |ea|
PM
th I'M!
■S ■ ■> Ml! "X"
_______ _ - ■ - -
m betel I ■"•‘>‘■*1
0- HO
fttndy Issum
0-24
1.0
0 44
ctlcareQian
___ _ — -
4Q-| t>D
silt Ioann
ttlclre&ui
... -—-—
100-200
■*ciriv 1 Mm
140-160
4.0
0.7*
C*lcar«aue
__ —— —
2O0-2H0
«m m.
celcercouf
. ----- .-———
2fi0- 100
• Lady !Mn
290-100
r
B. 0
| 0. M
C*3 Ek r EBUi
_____ ---------- —-------~'
_____________
_________________ —--
_____——AJ-ll
BOREHOLE description and field tests
huhai* no. silt
Dal* : Jt> 1 T1
Aim|.Mktb PL* Ln (for detail itt Map [. SlMrai ll
Flald i*vr«H4«i ■ F. Hallo
'** ailctorallaf : Abou, D*, levw] ilop-e
and tlE Ul> ■
1 r«qp*-nE buehag iTtd tomi trae
r ,lDW.borehole description and field tests
Dtla >0/1/71
larahoia No 5
LOCHIo" 1 Amkbar* PlMn Jlnr detail M.p U Sheet l)
3 J op* and mkf*r*H*l Aiwat Of. nearly h*«l -lepe.
Vagalalis-n aid al*: CnmmoB bmh** and fa*1 traaa.
Sail peimtahUkljr' Sic*.
Kuril, a*,
d«pih cm
5e«pl* lippiW |«w=
• M
iii Hid
H ' 1 »<H,
Wks ■ll&nii^i
l
it*l
4-110
cLa>
Q-ZQ
1.0
0. Il
c*lca x *ou i
na-m
|il|L’ L0*233
ctlclreaiBJi
~|
1 i i£Mta
cl*T
140-140
B0
0. 24
ill | hl ly c ilci r enu B
■- .__
uozzo
ail- Lo4m
c >] ea reou i
, 1ZQ.350
Icum
cak.irioui
250-270
■ Lil 1st in
cllcArcagi
170-50Q
ta&m
2«0-TOD
H.O
o.^t
EBjearaovB
—-
-AZ-M
BOHEH°lE description ano field testsBOREHOLE DESCRIPTION AND FIELD TESTS
•weftOH No : SUS
* Location AsilbtH Sr«p4 rd microrelkl:
. Vegerellon
Son pt«Mil|kilty
o
1 plain (for det»U A t»l>< 5* B**rl7 1 Many N( hsph-i. Mode n rely »w.
• It: l
«nl ilop-
/I/*1
. 5h«t 2)
F, *'< RPpr.lifci hta
P ’ **1],
.
i Ho'IMh
!i»
Taalsta
i—pl* Jifiil |e* 1
P*
Il IV'rf
■r1 •-1 lilt
ll*(.
M1 it * 11 ■ , ~ ~
u
lofem
0*20
l.o
0. M
ClluF«*U#
~ ~~
40-65
■ill lo*m
cfelcAieOuv
*0-10
ck»T
til cA rfetma
■n- ioo
Irtumj tied
tar caul
1M-J1Q
■And
cAlcfezaauB
'
J J 0-ZDO
toim
HD-ISO
■,n
l.9l
talcferaguB
200-ZEO
■fetid
cikir«OUl
2! O-Z ill
leemr Mnd
elitereaue
2JO-JOO
ilfl-JAD
i.o
2- ■ ?
cfelctreaui
■otfehclfe NO Sil?
,□•!•: Jl/l/71
Field eppri'itei by: F, Hbiu>
LOcdllOn : Amiben Plain |for detail act M>p 1. 5heel 2)
Slo»a and micro relief Vegetal Inn end ■■« ; tell permeiblllljp •
: About 0% level it apt
Frrqwnc buihee fend tme. Juit Owtfeldr cotton firm.
Moderate,
Norken de»kh 'cm
Toelere
e.mPi. depih | |
m
II ini
*• i i iem
»■«<.
1-------------------------------------------------- 1
MhCiNaa»Ui
_
0-J40
cloy
D-ZO
t.C
0.41
nicer epui
_ ----------- ------ —
Hi-liG
e*My lo*rn
1 40-160
4.0
0.2?
calcferepufe
1 ISO-210
a lilt iMm
cfelcarteut
zia-zio
Lftfm
ctl Mrefine
215-300
clly Ia*m
ZB0- 'IOO
». 0
2.44
t*Ln reone
__________ . - —-"
___ __ —. ——~
—
_ —-—0OREhOLE description ano field tests
......
plain |fnrdet*U •** Map r Sheet zj
Ab.* I—1 ■’**'
ALLitfata F*rrt-
Cot ro°- Ami
51e*r
d«0ih <*>!
i<a-i
none a karoos a lo ealcareauf aoecakaraou. IJavavarda}
r ill careoui
ifld-JOO
<■1 firefliiB
«ndf io*!*
-
Ns jus
I Nil l*n .
P«l«:
IE. I 11
Flairf ipprakiar fly: F. SaUo
Amihara Plain (far detail are Map 1, Shaot i)
S ** mlcror^llaf
IM UM.
1,11 H'-mnn,,
Aboui Q% Itrtl *Juj>e
Cotton ALLifeUi Finn
4
Modera r«J y alow.BOREHOLE DESCRIPTION AND FIELD TESTS
Boohol* Ho.: Sizo
Lq-c alien . Aml'b* it*. PU1« ! for da tail ■ Slop* met mlercf■h«l ; About 1***1 il* ¥op*t*tkon uop Colton. AUtjrta f
Soil pormtabUllr ; Maderlltly alow
01
It: 11
Map 1
P e.
‘urn-
/I ■’)
, Shvat Zi1
Fl »ld appril..! .
TF
- **lit
HBriroci
4«pik |<m
Toaiwrt
5e*ple
dip’ll 'tl* 1
pH
l> •!*«
■i 1-1 ■*!.
M»C
M ■*t ■! |q q.q. || ~
nU
__
0-)0
■ Lil io* Tn
D.ZO
1.0
0.25
cal ctreco*
30-1L0
Loam
ci] cl r veil*
IIa-ifro
dftjr Ihcf.
nofifilca r *>?a i
llMM
1 □am
1t0-L60
i.o
0 20
r
«a|i:*ir«*rui
.
lao-jsfl
i-Ur learn
c*L r t r6iil
~
250-300
ZSO-300
I. o
0.20
ellclEECFua
—------
—Haz-v
B0RE*40LE description and field tests
Jj/l /? I
r l Flam
detiil are >’*F k Shre! 2}
nearly 1*v*J B1dP*
.........
Ms AY tf- ,B * nd buthBBr
Slow.
OUTSIDE THE PROJECT
Tfar-f"
<MFih |«-
..If 1®*!°
calrareo-j#
;al.f*F«0Ul
i c,n- jo
290- 1-50
k ecru jborehole description ano field tests
Porthole Mo. SIU
D>l* 31 '
LocMIOA AcniL*r* PW» detail Map 1- Slop* mlcrtfollvl About -w*rl* Level I lope VOpeltHon And wM - «p«c*d cut ItMi
li Sall pairffl'io'tellliji .
1 *1
Sheet 2)
Fmd ippr«i(a| h
"
r * ®^ii*
. Marlian
c*i
---------------------------r Toeiutt
U»pl« wpi h i tin
it t |
• 1 n»
*■*(
0-10
cUy l«aa
0-10
1.0
0. If 1
c al r ■
~ ~ ~ '• ; --..•_■ ..
20-320
LoJim
rtl c a f«bi ■
- - -—_ _____
UQ-I <0
la>LH¥ lifti
ell c ■■ re&it ■
140- IQU
CllT
10-140 ■ 24J-1W
€ 12
c.::
~~——’--------------------------- -
r
———
——
1
—-
1
________
1
-—■—
" “--------------
■—
i
J
1
O o,
►* 10OBEHOLE DESCRIPTION AND FIELD TESTSBOREHOLE DESCRIPTION AND FIELD TESTS
Loca'icn : Anublr* linn C<or detail
Slop* and flllcrprilltl . About G* ;»v*l tlope,
YegfilUQfl «<*d ul* ; j. n outaidt Ibthv CLdobIt - apactd cut trees
4
Son p«rm«atllltr : Mods ratal y flow.
Z|
Herl ib* ' 1 dip-ch
T»a 1 w ra
SvHtpIl dtr*i >**l
-
RM
II 4H-*
1 l*.h
IP<
*Ainc«ll«
n|!4Bun
"
0-23
.(■.mxlv Ic-im
0-20
M. G
D, ZD
E B 4 £ a r E Ji ij.»
~~ " ~
20.1 SO
■ 111 j □< m
130-I5C
R. 0
0. 4S
calcamiu
t SO-2 3 0
vi.li y diy
e* I £ * i eo "ii®
~ _ . ___
Zl <1-300
•lit laser.
aac-300
«. 5
Z. hH
c a II c i r r n a.
~
-■— --——
—- —
..
■———~
■---------------------------
——-
iA3- + I
BOREHOLE description and field tests
**■•»*• Nq . i j jl
Data : I.. 2/TJ
Fif|<j
by: F. Hjlla
* JC|I|b" 1 ■ Aizslha r* Plain (for dbnE!»iS In? Map L. Sheet JL]
llWww mkremiBf; About (K level slajje,
mJ ut- Conor,. AlligcW Fa rm
"""'-•HIH,;
S|av.borehole description and field tests
Location : Amkbara Plats (for datakl aea Map I. Sheet II
Slope and
About 0% i«*ol ilopo
Vegetation and woo Gatto*.. AMlgota Farm. Son pot mo ability : Slow.
Herhaa
4aplh ftml
1*alwrt
Sample
dap'^i-l
bh
|l a««l 1
«l | I ii'i
II* t
Mhcv 1 >• »e»yi ~ ~ ~ ~
0-4P
l&lfTi
0-20
1.5
0. ]Q
none* Lc ura-traf: —
40-109
cUt
noncblcar aaut
— ■—— _ __^_
J&0-1SO
• lilt loam
130- IW
I. fl
0.14
colcareoia
1*0-240
rliy
c ■ 11 a r roui
| Z4Q-£lQ
loam
■
rilciranu*
——
" —■——_
ZBfl-IQD
day
iBQ-300
U. 9
0.3L
cakiroouo
— ““
■■——
— ---
—J
——1
- '—■
L
_________
■oroholo No: Sill
Data: 1/2 T)
i • p a| g| - F. Malta
Fia d < r t by
Location ; A_mlb*r» Plala (for deUU • Map 1. Shall 2)
Slope and micro roll a? ; Ota |% vary undulating ilopt
Vegetation w»d uaa t Grata] and.
■oil pormaatoillly : Siow,
depth km i
Ta atwro
lompla
dapih ■’ cm |
pH
#1
vi l'1 I. a. H*C
MlMollaaaawft
___
0-3 SO
Clay
0-20 1 l&-| SB
U.D
0.0
*.0
0. i !
0 l?
none*]carvoui io ralclreaua (from lop to bottom)
__ — -
!.!>/
_ ____ —------
_ — --
_ _—■ —'■
*
._ —-
____ - — — „
___ — -
___ __ —A2-I!
borehole description and FIELD tests
. 5 i>*
a^1'*
Plain
Ab«ui 0
/Hr detail »e«
1- Shrrt z)
■llRhdy undul«Sinj
.......
frequ-nt rfryir-*-
SLo*
|J!
--
110.150
r~
fion r.il ca re-on r
ciont aid rca-uil tn c *1 : a fcdu *
calcareeun
imait Ho
;
si 35
Dal* l/i/71
Fi*Jd kppr«<i»l b¥ F. Kails
LKJil'Ifl ■ Aeniharn FJUn [for de-tail Jet Map 1. Starr! 2}
b| H ind ffllcrgralilf
*W«IM w
■5 iq I % unduia i h»E iivpr
Many big tree*,
S-owuborehole description and FIELD TESTS
Date 1/Z/T1
LOtJlIOr
Slop* M Wff«l*EIC SO4l P*'T
Mo,: SIH
3 Anti b> r B 1 d mitrOfoHol - /
n bM u»e i itetbllHy :
Field epproUal b<^
’ F- Mu
plain flo-r detail ■« Map L Lbffu! undulating alopa. ‘requaai Vuab«i >nd Treat.
Slow.
Sheet Z|
M«rlaen rfapihi J
Ttatar'e
Unpli
,■
II >**J
*1 I'i a»H, -■hriiBlH
1I
M | RH | | Q Q Q y | " ~
n
__
MN
city
- 1 J > 2 R' ”* 130’J
■1B
B.c
0. 19
0. S7
a Lightly Efclcarecui tfl n^nEAlE&reaua
~' ~
iio-jdc
lilt loAm
210-100
B. 0
1.43
caLcl T«aui
”———^1
~1
———_
- -J
——
——
*
‘ ■—'
—
_______
Borehole No z 5 E17
Gale; 1.2/TI
Field appra^aal by: F. RaLlo
Location : Amibara Plain [lor detail lee Map 1. Sheet 2)
Slope Bird mlcrdrellBl' Ah«u1 OS tevei tCoye.
Vesttiil&n bM UB4> : Ccitan. Ambsihrirm,
Soil peimeablllly : Moderately a to*.
Madia*
dr|i'*A hfcl
depth L4IH
PM
I’l 4 rfl l MM.
r>
Wt
M hf* 11 ■ » acM ■
__ _
0-20
Elay
0-20
1.0
0.21
B0fc4*lriTtflui
_ - ——“
20-JIC
loirn
chlcai *cs«
_ ■———
I10.1QO
■dry tl*¥ loam
EllC* r#Qu«
_ ___ —— - =~~~
tno-m
ioam
270-2*0
1.0
ft. 31
ciklFHUi
_ .— ———’~~ ~
I’lO- iQC
clay
Ei.tc*reQM|i
_ __ __ __
_____
_ ' J
_—■ ** • > - * |M>]Af
I.UJTJJ l|-»*r|iuV
! A niiqtiU|<l (|
<»“’ moi it ,mt
»da;i
Ihuq^
F «, |(q
IE ;»i(s 't
•*• tT«»P A°3! °”,1d
eflrg 1 *<1
14/7/1 »l»0
Mis »h l|»M|
(t
'J
S1S31 aiaid QNV NOlldJHOSSO 31OH3H°a
=» c*BOREHOLE DESCRIPTION ANO FIELD TESTS
At
Oar •hiol ■ Nd 514 U
LcLiUon ;
Dets 2/1."I
1
Amibar* Plain (for detail «ec Map I Slice ! 2
Siqc* And micio»»h«f- Ahem C< level ■lap*.
UM Farm, \mljrsib Farm.
Soli p• rm»bi|oiiHtf : Mo^tralalv lie*.
T« h 1'wt •
dapkk ta>ri
Se^plf
fop 1 h ■ k an 
1 PH
Al
■ ■ 1 1 Aa.l 1
|-
>l"t
M ill ■ III QI Fl IBfluy,!
—
OS
cfo >'
nonc*kiream
_
_
5-23
clay loam
s*zo
»3l
0, 2] ‘
i JlLclrra-vp 
~~~~—-^____
zo-i 20
loam
cal r«f ««Qi
120 NO
®iky Lav loam
caLc-I e rpih*
—
140-290
Inlhi
jaci-no
«. 0
0. 12
t? a 1 r a ~ eo u 1
' — _
2S0’*00
■ILty cla-ir foam
2<i0 JOQ
p. n
cilc*r«&ue
——^—.
——-——
—------------- --- -
■ ------ -----------
.1
1
1*1-1
»*Al <7
borehole description and field testsborehole
DESCRIPTION and field tests
Date t 2/2/ 71
e Mip li Sheet 21
Fl»4d «pp<ei |
Bfc h
Barthor* NO :
LOC*IIOH AmlbferB PUU *fw det**l
lo
, , .»< Aten Ofr 1««1 • F'
8 oc
¥«g«l »n<J '■ XUI|I. E. r. D, Firm
’ F- **lk
1
toil pirmtsHlllf 1
McddbrAEalT
HeMiHF
^•plh cfn
--------------- r
r**’"* I
S«wpi1 ■
faprhiiMl
pH
II wt '
■r i | r i>i ll't
Mlecallanaftui
0-70
-------------------------’
iter
4.10
e.o
&. 2^
eadkaretHia
' ■————_.
7ff- 1 ID
Igattii
CllcftTt4>Mt
I iO-ZOO
i lit la-urn
JJB-I5D
•. 0
0. P
100-IDO
■illy cliv Iwirn J&0-1D0
».4
D.7i
E<!eir*nm
——
———-
■ —--
-
—
1
i
VABOREHOLE description and field tests
3 L
a^'*p1bI" (fof
■
About 1
. Colton. A
□ •!•- 1/
detail «e« Map 1
»v«l alopa.
mhAth Farm.
2/71 
F1trd *Wwl fry: F. Raila
Sheet 1}
1
............... ..
Mtoder«"-
,L .........
Hr''1"
Jompl*
i«p<fr r«i
i
pH
11 bwhJ
■ 1 111 iiFi
»*W, H W
»■<
m««allea»a i
tf
**
Ijirrt
0-20
9.0
0. zo
CAj«;*reQu«
■ 'hB i
cUy Lo*m
caRArvEHLi
l*tm
1 JO-ISO
9. 9
0. 1 5
calrATtawi
tfdfL SC-
liftdy Lo-*i n
,
2&0.30G
a. o
0. 15
t*kiTecij.i
H
.
r
1borehole
DESCRIPTION AND FIELD TESTS
#1
■t
i
fit
i.
Parabola No 5 J -H
L be I tian Amlhar* ria in
Pal*, 2/2/71
fat detail #*« Map J Sh«-«1 2]
Slop* end
Vagal anon and oaa
Soli parrnvabOlif
Asoul 0*'r undylAling olnpr
Frequthi buahei and lr<«#4 June nulildf ihr firm,
sio-.
I
EOf«har« No.: 510
Dale ; 2 2-71
Field apptaieal by ; F. Mila
LOOAllQIt '. Amibara H»r. {fat detail ice Map t, Shrrl 2.1 Slop* and fnlcfOttlllf: About Q*i ncAtly Irvwl alc-pr.
V*«*t*1|®0 and vaa
tail parmatbllklf
Ju a I oijr.fi.de iflt-tan firm, Irrq-iKJftl buaheo and lr**i
Made palely alow
i
Iborehole description and field tests
5 150
ap»ra<«al b, ; RaUd
Aj
n1h* *
r
|rtC
f w**
plain I for detail pea Min L Sheet Z) About 0*. aUghtlY imi dull ling lUpr.
Frequent and Mti
Moderately "low.
■•rnhoin No : s $t Nation .
5l0»* tad mlcroftliBf *'l»iatien and vte
Dale 3/2. .Tl
Ahoui 3^ aUfhlLy iitirtal au n•’.«?*
Fr^nuenr trcei ^nd huahta
Made rifely it □«.
Semple
depth t.
P«
Il «»M
> I’l.i.h
J i»[
D -m | L Ifty —
uni 4k*wu
■c-s
0
^-?D
-— _
_£_>•■ y 1o«m
clay
I10-1 S3
znn too
,-alcir*ou«
ca|ca r aaui
-^mcatc « r n >i aborehole
description AMD field tests
%
L •€•!!•* AmiUra Ptala (tor d»wi ««e Map I. Shrei *1 Blot* aad mkr&r«ll«V Abcwt 0% Iml liopc-
>
¥•••1*1 l»n »M «W Jmall p«pp*ra. LT.D, Farm. Boll ••^•■bHIly • Mod*rate]r rapid.
H«rlt*«
d*t<5 '<•
faalwr*
1
fafal<'«*l
pH
II • 1
J 1 1 ■««> ll*t ]
1
M In ell
fl . J ft
Q- 10
-
20 10
tar.d* loam
u- i
j
i4
cilciuni------------------------------- ---------------------------
calcaraoua
_
li JJ.LL, 120*100
J
a arid
110-150
28S1OO
B.O
80
0 15
fl 10
calcar email
■---------------
-
■'
——
"j
- -•
1
J
L
---------------------------------------------------------------------------------------------------------- ------ ---------------- 1BOREHOLE description and field tests
Oftt* Amitar. PUta I for i.uil ... M p j Sh^t J(
.
About 0* l*vet lloP* ’
Cotton, E>F,D. Firm.
Mode r»lciY flew
3 1/71
Fltrd WkroUflt 1^; F JUlla
** :
1^1 p<*«tlhlr:
fr . RaHq
*••*■110(1 Atrubaf* l?L*1n ''Itf dataLI ■•■
| **!«■» Low ut. *•" •trO'*tbik'tT
AbOUl 0*, [•*•! -lop*.
Wmic .
lMWW.
calc AJ eu-ui
- ^-* u-j _ luirt2_
ij.0-2_tuI
»xrl
•. ilu J r_«msi I ■ _
< ak it • ex. a
naLca r
cal tar ton ■
-1*
_
i.***11®BOREHOLE DESCRIPTION
BCftAel' Nt . S 156
DU*.
I
LfrCBtion i Amlfen Plain (for 4*«11 Map 1. Shin 2) Slop* M»d ffllctorpllar . About &% Irvwl llope ,
Y*fO'Ml9* «od
Soil peimafbllltv t
r«» bmhti tad
Bor the li No.: S 1 57
Oils;
V2 It
Flold ipprabiii by F. Hallo
LanllOH - AmlbAfi Plikfi |f« detail itt Map 1. Sheat 1)A*
borehole description and field tests
5 I*0
AW1>r> P,*'°
|fnT
*•* ’■ Shnrt 11
Abaui 05 l«vel ,:,aP* ■
icrpH***’
» l<1* 1
' .1
jjll "
:
Jampl*
dap’h £ta :
1.32 _ca Lcar epii a^
eaic^ji’oua
calc are □ je
c aleareoui
. ill. airU-J*
■*f*i»la H&
LKatlan •
Flaid 4ppialv«l by: f. Hallo
Amlham PL* ill {£*» <L*Uail ••« ^Aa? ^he"t *■'
*"<■
^IcrnFtltal •
UB< .
Ahnut 0* ^MiaUnnc <lnP’-
Man^ treat inll
Mode raie
Ttalwia
iMpih am’.
,L AtfcuU-a-
L _ rli y
-■’ tilt Lu*m
a- Z£L
l! ,
2? UM
15l_ milLml-— &L «Uli|
J^3 Hl
ualclra^U*
T _ __
Jjc I XaHaraoui__________
.LSl£<lJL3il____
C*J< *rr Ou»
caK^r* i
jiml
C*lrar-nQin
b^“rl30borehole description and field tests
Bolt: 12
Fl,,d WMIhI b, .
BoMMl* Mo‘ Sim
’ IbilU
VtflOialM* •■* Vtry ‘
foil poriMifriiiiy : tupkd-
•
H# r 11*41
d*pth Um'
$«mrU I
ii. i**# '
ifi 11 *«“. iMhlp tP
n't
M 1 !<• 11 o n *ay ■ " _
■a- si-
l * ”-1
o - ------
0- 24
l-D J
c-io
I3C-I5D
ZB3-1M
ID
0.11
. UJ
toUartOHi: ewiit ■*j>< m*nr onaili
frP-JflJL
— 1
—I
iBOREHOLE description and field tests
Dtt*:
l( „ : J
I*1’
*
...... .. *
M ll Sl
ArTl5,„ puin «»» “.itil "* "’
.. a m i % «ry jndiiliUng »;
lit* ' rrtqure* trtti.
3 2 T]
2)
WrWlil 6 F Rann
y;
OJW,
lM— ‘................. ... 3'”'
(t
Sampla
ItpFh r A |
pfih >»
Ki. ■ ■■J rf i'l aiiii.
V t'
««<
nri<«hsB»wi
23
U0-I5D
ID
BQ
o. za
04)
f <J.ff it s r !?u i
E&D iOQ
Hi D
a 56
—--- -----
----- — —
i
H—
1------
r
i----------------
1
__________
-
■•••Mol. Mo 
5|M
Arnlb.r< Plain ((eT 4-tail -•*
0ait
B/l/N
Pl *1* •»»*«•■ 1 br :
R*Uo
5b,eE
and Ule
t *11
S
«.i p«'**«b>i4tr
>*U»oa .
4**^*
laatata
.
fa«*U ' ha*t »*'
0"
■’ .*-<• 1 rf «1 s.“<
■■••■
MUltallaaaaiii
i- «$
■ Lit Lmh
e- to
It j
0, TO
salttrtosi
*■? E P J
■CllCfcrr&ai
'-
,
1 £0 1«' 3
..
5,ilc irtni
.tarij
IK-15J
o.ii
c iLl IT
1H-K9
cUi
!*:■ -IN
*=
L!l
cilxarrEHii
-
'■
■
■araaala Nq : 3 LU
Local I a* Amlhart PUU Liar 4at*H •«« I, 5b««c Z|
VI 71
Flald aporaiaal by F JlilLtj
!!•*• and nlcJs««Hal
Afeut (?% IcvcL
and »a« tllto,
UfrdHraiRLy iLght,borehole description and field tests
□ al*
* J Tl
i <r detail
Map I fhr«l j|i
ral'*1
I*1
iM
i-mHi Lr <*1 flop*
btjihrt inrt
■riti*
«*
laitwra
pH
4*0 th r—
fL I'M-*
k* 1 | «»!.
«M|. t*
ii*r
*|J|4
^L_l_
IB-TJ
LBHirfl' Mftd
Q-ra
9.0
0u
cilxaraaua
■*?*<!
c*ki»uiin
..
*ajid . luara
■ j m i > a n u
< iiEirrcut
,<3-11-3
I ftl-fOUR
■ il- ID
.
....
IIB-llO
loam
14 - L ftd
A. S
. a.,4
k. altar *Cu«
i~
Lti iZQ. tin
’
talcjfrifu*
111 103
j CJif
1*9-100
A0
a, ti
e*icara«w*
1
—-------------------------------------------------------------------------------------------- - --------------------------------- —---------------------------------------borehole description and field tests
F<«*-
B'BKtliffll# MO- ‘
L*C'll»fl : AndUr* PLal* «« •*" M-p L *
• lop* and miccor«h*h Ah**t‘0% !•*•>
■fid UM- GottM- Firm.
•oil *«rNVtibllllr - ModiratplT
b«4t 1>
i
Hsriian
dppl-li |fml
Taalvr*
PH
itplli |tm 1
li inf.
,J *1 Illi.
IP t i
M Ilf ■ 1 !• n*ou ■
eImv
0-lxl
BO
&.71
i 00*100
■>nd,P Joim
LOO-110
Igujti
i«»4v Loam .
HQ-tTQ
Ichjt.
HO- L60
»G
O.w
ITfl-l&O
day laauna
I
i
• graholt Ho . SI 70
001* I
6,1/71
Flold aepral»«l bT -.
F Rail*
Loc*llflfi : AmiMri PULs. (far detul «e< Map 1. Shcat flop* and mlcroroilaf r About Cfi it*t£ ilapa.
Vvgaiaiken and *■■;
•oil pataiaibllllr : Mod* ratiIt
■
IH«r||«h d»«4h Icm.
U------------
lampli
dapili '(■!
0-I0
iW
1 .nri
rf 1 1
-**■*•••
IF* 1
Mi|ialloH»*ut
____ ■*■
0- 4Q
Vaalu't
—LOtnnf
iMm
LiiflO_________
7.5 in
4 0-B0
c aka ri qui
caleJLr■ &u■
talc* ri am
C liluir 4$ UI
___________
—— '
—_‘
-UfixUfl.
h.l aim
UiL±lJL
no-ioo
U
210-3 00
i-M.Tr,
1°
i iz
1-17
—
_____ _ _ -
1——Al «|
borehole description and field tests
epp<al««l bf - F JliUo
AmlbBrt Plain {(or detail >•« Map 1, Sheet I)
fnlcvar«ll**
ind
o to 1* neirlr !<**! ■1°?«
Goifitr.on buthov *nd tr*4*>
ModtT*t«lT tL<r*
*1
pH
lH9lh chi i
II It'd
il ||| VI If '■aJkift*-I
H-<.
M iKelidiMM ■
Q-10
fl. 0
a. la
eale • re*uB
j
Jj*_.
liLi. «M4n
-
J—*--------------------------
Cfclvtrigu*---------------------------------—— ---------------------------------------------------- - — --------------
L^-jC
JJlBA---------- -—
cdorrcxe------------------- ---------------------------------------------------------------------------------- -------------------------------------------------- -
ciirareaui-------------------------------------------------------------------------- ---- ---------------------------------- —----------------------------
■ ■.E.'i'w kHfH.EE-.
CJ^trevu* ----------------------------------------- —------------------------------------- —-------------------------- - --- --------------
LUiei----------
, J TJ--L&LL
1I0
0 B7
c ale are
______________________________________________ ____________
—
*———-------------------------- ----- -• ~
1-C.lBT------------ ------ M
L
-------------------------------------- ---------------- — — -------------- ---------------------------- -- -- ----------------- —----------
gii£.IpD
Itd-IOD
1.0
11>
calMMW
------------—------------------------ --------------- - — -----------
-BOREHOLE
description AND field tests
6/?/H
F, *ld aporai.ei h
dor* hoi* No.: SlTJ
Location Arnlbtr* Pl Aid <« O'*11
Dal •
M *’> ’' Sh"‘ 21
F ’ P<UQ
Iwp* and
fl td nrirly Levtl |lop«.
V«p« i ■ ' ln*1 VAt Common buahei »R«5 re* lTr”
Soli p«rm«*b'H'l1iH :
Moderately *li**
depth |t*
fempl*
lepih (l*|
|!l. i »-4
.1 |.1 i.!-
xrtaA » ■*
M I it • 11 □ n u
~
| Qj l.tf—
TO -^<1
90-160
16Q-4&0
Z QD-72 Q
I H0-Z43
itiMco
£»<¥.- ——■
loamy i*s.!i
>zo
75
D 35
- ------------------------------------------------------------------------------------------------- ----- __ _ ________________
none ale * ff t a-4 ■
cel.cMFflO'ue
■
loam
L50-I5D
1U
D.13
calcAffioue
” —--J
cLfr
tfciciTEaut
l<wim
_______
cLxi
neracaj^lffeoui
ji one al tare QUA
■ Uk Loam
iJia-m R.O
0. H cil£aT#*Ui«
~.
----------------- ---
uJ
aor«hg|» No: SLH
0<t*
6/1/71
Flnld
bj F RalLa
loCillBH : AmihiFB Pinko, ffar drlikl lee Map 1, Sheet Z) Slop* •nd micpar«lk*i 0 <a h <rh lrvt. i<apt.
,
Vogvlulon ut« GranUad. Griauig
floll p«rmaabiii|V ■ sio*.borehole description and field tests
D«t« ; plain (foT detail ice Map 1. Sh^ei Z|
f> 2 7 I
517?
Flaid
Fi RlUo
,11.-■
. ,.e
■nd uiP '
Him** .
kjrt >■ *1
--------- T
5sr*npli aplh 1 im 1
pH
II- -**•
H !■» til"
•■MA- ■•
lI'E
MliciHiMiiui
1■«
Q-2G
90
t- 21
B*ree*le*re<hii
_.
------- ---------
--------
T
| 3C-I5C
75
jiopc ilcareinli ’■= c 4§t: ir»au«
ciav
1
+
0. 14
clAeardOii#
..
■■
J'li ■J! OQ
rial iaJLm
ZBO-JDO
ao
-1
0. 14
cal£a.reD.u
....
—
-
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------------------------------ ---
a
t
r
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■"•Ml* Me. sl7B
I*
*■■<•1100
*“>»• am mierorilltl Ahoat ]*•
F«ld •opralail b* p. ;uLle
. uab I SWil Zl
|(or detail »’• F
and uta GtM< I*114- J-i
| U" B«ito«»bllHy ,
SI**-borehole description ano field tests
Location Armb*r* PUrn (tot drtoil ■»* Hope ifid mlcrotrttof Abeel 0^ 1***1 •lope* VtfBlflb&n me f pt lmt wri !»»&«•■
'« ShrrT 11
Boll ppmMUIItr
Madex*!*!? nw
Meiii'i.MH
dtpfh .«• i
I txt ■*«
o,
i
dw** <•
•*
-j 11
W la<411 a■ « v s
_ " - '—■‘‘•t
0-10
cto.T
e-cHS£.*ii
l'J-1?
i :-y;
75
4, |«
Laa=x
r sss; Hi; a rre-« ■
12-UE
___
t Lbt
H
,. ?•!
124-1bC
i i j: a * a
eq
Ud
c L-i'r-.*
#di Ig«ct
m-ifro
*e
e zi
C *->: '■ rest a
i—------- -
i—
—
1
»---------
I
f
■ ------------------------ "----------------- —
—
L
■
*
1borehole description and field tests
r . niJlo
ihitrn
for
0 »n l n**rly
•*« Map t, She at 4>
*fopr»
p......... !•••»•»’»
Frrqmint bu*hee and treri*
eiy *i0*.
Mode rat
f*»i*»*
1ampfi
livptik CM I
pH
—j
j S' '*-<
■' ' 1 Oil I ■ **«*«'
11**
Mlllalta-Maui
•L'U
o-is
R.O
[ 0.12
r4kBJi*w«
13Q-150
*J
. a -’
i Ailt 4 f* UII ■
|ji. j.swiH
CiEi are-z'ui
j Lil Unm _
__ fl _0__
n Ji
---------
——.
f
_______
--------------------------------------------------------------------------------------------- ------------------------------ —••• -•
BOREHOLE
description and field tests
■orabolt NO-; 5143 ‘
LOCOHOfl ! Amliiri Pliln
Datot. 7/2/71
(for 4«uU let Map 1, Sheet 2}
Slop* on* RikfOiolItt- 0 to L% nearly level ulopc. Yogalailon tod uao: Cmmoa buehei md treen
toll parmaaOIBly ; Slow.
H«rlia« 1 dvpllt It*
ttafvro k
lompla kptb !<*•»'
pH
II. 1 ill ill l»l>
ii*<
MlK4«ll0f«»4uv
P-TD
r Lav
0-2U
4G
0.25
nSnciLcireoill
T Cl 1 10
-
- UG-iML ?nn-
vblt loam
calc are ou •
US- I50
j
H.0
3.27
taXeareoui
1 ii
-
coLwcaui—--------------
lid-JOG
eliY
280-12-3
• JO
3.27
aoncalcaf eOu.«
-
-
Boeohola Wo 5184
Dale
7/1/71
Field oppriloai by: 1 Ralj"
LocoiHon Amlhari Plain ‘top debit uokbp 1. Sbiei 21 Slop* a<*0 mlcforolkal - /ihout 0* level ■lop«.
Violation end uaa PreqiiaM i?rei «hd Inulmi. SOU poFfnaobtHly ; Moderavvlyborehole description and field tests
Xmibarfc Pl*l* Uor detail ■<■ Map 1, Sheri 2)
txirw
-.J Aiicrst*111*
Aho-ut 0< level al Dpt
(*• *
Common huthea aid fo tr««a.
|(|l K
.mM»MHr Mod«*l«
ly a low.
■
Hrii*”
liiilwrt
lam pi#
itplk <m|
Rh
■
•I. iW
a* hi <ih
nntah n «-
■**<
■
3-20
* u.l--------------------
fl-20
71
Q- M
2CHK al£4 TtDUi
1UI —
4#lc#r«wf
cUt
CtJCNrtout
Mil ic-Mm.
CticlFflDWB
;«-mn
clay
140 160
8.0
0.11
ulcafrBu.a
L1&-HD
ilndy laarr.
ctlcirtsMat
ir-MD
-JAlfir el*r loan
1
Ctlf JfFOPlif
210-ic:
iillj |u am
HO-100
a.o
D. >2
c,bJc>.f« frill
-1
[
# ’*haie Ma. Lilian
“■ FUilo
Amihar* Plain /for dnL>U ***P ll 55,<al
*nlEior« ii«i
**»•< ■! Ion
0 1s Lit wnduUtiM
Vary f-w «»•■ ♦** •i«wrtmi>n uu-htB.
Modaril*)v aid**-
Ul»ar«
SBIO'*
talma pm i _ .
Cm tragus
JLiiLjais-
*0tv £.*T.BOREHOLE
description and FIELD tests
Bar th ole N& SI ST
LM.llOFi: H>i=l if« i'llll ■ « M'P 1 S*"lZt Slop, .rd mtcrd'lldl 0>» IT. *.*ht.Y i.nduKt.n <bx-
VefttaliW **<3
led petrtittbllHf
Fre^utlU t»*ra end buihei.
MtrieMUljr alM.AZ-H
borehole description ano field tests
5Lt4
Oil*: 1/2/71
Ellin (lot deULl i«e M»p t. 5h»et Z)
Fiiid ivpciiiif hr: r. it.aD
:
I‘IP4 ifl“
m(erOriHil Old*- **'V undul.t^t ll*p*.
, nfli ■ Frequent !«*■ bushfl**
Modern.
1
iMrliH
nf* «l
Tally**
{smpli IwHilmlj
fH
I
Ki IM
■* ■ t s «r<
MlflCiHanpflivi
l
i. j a
rift i
nene al r b.t f <hi ■
Ljn-ua—|
ZQ-40
.
so
Jl.-I*
calcaF*£rj»
tlLtdFECIUJi
-.
it: -it fl
J— i LBfi
1
sir.i'j Loftin
i iJcirtiTui
Loam
] io-1Sn
A0
0.22
caicArEfiuft
.OW
J! ft iui
1
c-Ic-r^J
_________
;: :-jcd
loirn
1 zao-JbD
A. d
a. j I
------ — - -
«3<£.■* r®J»
--- - - ------- ----------------------------------- —------------- ------- . .
1---------------
+
L
Ho.
5150
Amihart Plain Ifar detad • ** UJ!> E'
n to :% ’-n
D»1*
* 1 '5
FitW tpprakaal ■
>•_ R<Jlo
r ’°Fe-
•Fid ui»
Ft* b4«h*« ’ad "■**■*-
^ Q|! .borehole DESCRIPTION AND field tests
R-M ■eflr.l..!
; iHlbtli NO. 2 5111
Locitron : AmLbara Plain
Qi '*
-M M‘P 1 *
H'»l
heat Zl
*
Hot* IM Mterfr'ollol' $ to J *!»*•! »'**?•• YWUlllH Ft* buihra*«4lr«a.
5
■Oil pafRt«»b<HtY Slew.
f
1
■
Ha* ha*
dtpA km i
Tartura
I amp'll
|B njHiV «l I'l mkWibi'
11-c
MIie.I Ian t»vi
cALrareom---------------------------------------------
40-10
■ Lil . Oli!Fl
Pile ITflOul
fcD-2Zg
■|ltv city
L10-150
1.9
3 441
CtJCAFCQUP
ZZD-30C
rl*v
isc-ion 1
a.0
2. DR
nnnolciir poaa
—
L
-i
r
■
Bor«ho1« No Sm
D.t.
Fk«ld ■ppriliBBl by: F.
Local Ion ; Annbur* PliLh (far d.taLJ tee M>p 1, 5he«i 1]
Slop* and mbtforallar Abaui ]rtfel .Lop*.
Va9«lBllOn .nd U.« Vrrv f*- 1r?*a .nd Va.hr.,
Soil 0t'm«M>.|<tT
Modawuiy .law.AI-Tt
borehole description and field tests
iirtit-r. rum (tor
■<- *«• '• Sh"1 l'
About 0^. =ie*rly !«*«! ■ t«P«*
Common bu»he».
Mo4rralr T
1
ia-k r*
dap ib '■•ml
P*
|l !•■*
*1 1 1 I4>l
ll’t
Mta«« Ha <"•«'! I
D.10
F0
U. IB.
.
i-40
W-IB.ti
■ *3dvJLp‘4In
—
LID-ISO
[ B.O
. 0.15
ci*___ Iormborehole
DESCRIPTION AMD FIELD TESTS
D .,» >0/*/7>
°
Fl 'ld
ft or ah ol* Nd.s SUS
Lot.t.in i Andbw* Ftiin lfc>r dci*ll •<« M*P »> SH"‘ 1
Slop. m« mlcrof*H*l 1 0 w ! r>
Y.g.l.l^ .nd u..
fell perrttifcllHj ; Moderatflv lU*.
b,:
,1l °
’HP-
Tftiluft
ieMph
dapi^ lai* |
fM
H . .-d 1
■i 11 .-I- ***—”'
M 1i< • )| h a h v l
a
C-LO
cl^Y
Q-ICl
T.5
D.Zi
~~—-~-1
Ift.JQ
iilUfiln.
■
7fhl^
■ anil
’—
ho-mo
Sahin
LlC-SSfl
S.0
0.15
'—-]
ZLD.Z4C
sand
—
24 3-Zfc "
L_Sl«L
ito-i™
[ iMITl
. JHj-JGD
R <•
17
J
J--
1_
J---
J—-
Haf*hol* No : D«l*
10.2/
Field appraisal fry r. Hallo
Location - AmktMTi Plain -hr 4ela.il icn Map L. Sheet 1| Slop* and rn.crorellel . About Q l level aJopr.
a
VofttiMlon and me
Sod parmiabkhlT
Few trerft and buatira.
Muiier*tel> nnu«borehole description and field tests
D«t« ; 10/2/71 Fivfd mrwitl 6 F galk
. M*.: SI
-rfM" H
Amlb>T> Plain (lor drt^H •« Map 1, Sheet
t:
>•"**:
n*» •**
,^1111* ,1ldl
........... . *«“»
Slo«,
Hf'H*
J a *pl *
d ■Hill im
P«
il i«-i
■d i.) n,
lf
JHJiteUmafmii
**£
0-Z0
•rl-ly 1 JO*150
a. a
tt.5
n.:«
C 50
CtlcarrfiJ
...
J
“ ' 4
-
iso-Jon
»0
l.€Z
—----------------------------
D4l«
‘J
r>*id mtilaal bT f Rtija
■•■•h&li Ho aL H
,
L °'*Hoh
^•p* and microrai**! :
Plain Hot d*1"1 *er M'P L SM-' '*
M»4*r«tr.
— "P
IL'll J n-.rt
1
J. **nM14WJfl*«tTfj
InU I n.irti
t*.Ljr»nu»
-t * I ■
i alcif tout
£O)c ITK
r4lC4E*Ou.«borehole
DESCRIPTION ANO field tests
]O/Z/? L
FliJd appralaal
tpr«h*|* HO.; Sit*
Location- k(o!k* Sadi
Slop* and micro rail at
YagalBtlta and
loll pamaablllty
Oa1»
Plain \(OT detail tit Map I. Sheet 1|
»’ «-<Ua
:
Ab-0'1 it 1 *. ilijjhtly uMuialirig slope Dry watar-CQUTie nearby-. Moderately *!;&*
Bota ha la No. 5200
Location . Arm ban Platt rjordeLaH it* Map 1. She nt Lj IIopt and micrpraliot .
sod waa
Soil paciTiaabititf ; MwUrateLv si.au-
Nadia* ' dipiS '< »
1»llur»
da«4l. l «*|'
c
Hr n>f
*• ' 1 ik*.
- —kfcX- -i
olid
C]*Y
tuio
—
0 20
, llOdLO
1 Itc ZZ&
:jo-iso
B. fi
-Ur‘TL
1 .MiTiOy iiOArri
_i ■ a ini
r
•
1I
+-----------
1
notM. eicareoMw
cAtearetma
±*l£ar ruua
' -CAlcaraoua
_L _£jdr argou<
xwwmxxs. \.A2-7
borehole description and field tests
sioi
O»l« 11 2'7)
Fitl4 ipfrariil 6 ; r. RilJo
,
Mo!
.. Amlb»« Plain
(for detail see Map I. Sheet I)
1
r(f , t«il rnKW*!!* '
•'»’ •••
pKimtWIItf :
Moderately elow.
•-----
rSemple
ieplk 1 tM 1
P" 1
[ Il «m0
ll C
a
Mhcelleaoeei
1
MO
clay
0-2D
n
7$
0 40
noMalcareoue
it-
iloam:<i|
-
cakareoua
■1
e|ay loam
calcareout
—
—
• ard
—
calcareoea
i«moo
.aam
2*0-100
1.0
•0
0.11
0.11
caJcaraoua __________ - - __ ______ ____
r
I
1
r
EZ
—
1
I
Ufih01* Mo SMX
o.i.
H ^’r
Ple»< ape 'ileal by >’. PalJo
iCB“°" AmiSatB Plain |fat 4*«ail •»« J S***’ ' | ‘M mlcroioliof: Abeul
a
M uo Fwq*e®t>B-******
R®’H»naoiU|^ • Moderate*BOREHOLE
description and FIELD TESTS
Fl»4d apprabtal by F. Relic
■ orthplt No. : 5201
LqciUoh :
MeU* Mrti Plain |iur dflUil nne Map l«
Slop* and mlcrofollol AbOttt 0*- ihfhtlT wnfiulaunp V«gvlpilpn and uaa CamSTtQ?! buthei and IM't*-
i "i Xi i’T 'i
11/4 J J
Sht*t 4
ficpe.
toll p«rm«ataiMt| ?
MndrraSftL-y sluw.
M*f nar
[depth 'jm.
femlure
Semple kep«h <ie|
1
II. ir-B
f " 1 Bin
Ipc
Mlncelleneouk
1
0-5
cliy
MMfiltiirouj
5-aa
lindr loiSTi
5-10
8. 0
O. 56
cilc armcitih
fiD-110
luani
zolcartoji
U D-EZCi
C »*X
110 LSC
5
i.Z*>
neucalE&reDUB
22D-100
Inafr,
ZBO 10D
s. g
2 bl
|
I
-«—--------------
r
J__
J
Borehole No S2M
□ at*
L&ctl ii&fi Mir1 k.i, Sad-i Pi*in Ear del<si «r* M.,q» |
Slop* anp midoiniief ■ AiiCil,: C'% UJU3wliAlLn.g[
V»f«Ullon find lift*: CorrimDri bu*h^H Bif.i1 Ireirg,
Sheet 1
Soil permeebllily •
l-[i>dejl!d,I a.--..
Tu i i»’»
Sample
deplh Km
D-hQ
■ lit Laan-i
nurii a|i * r**oufe
60-lK
cLay
JO-IM
noiit b1«.b.ffdui
■ tit Lw*t.
no±ii i,t *reci'M*
|i.U±U »Jl ir *ii-jm
luAfTty B4Jld
i.*li.ai f uu»
Iri-LFH
g-llc at eo_>AJ ?
borehole description and field tests
U/2/71
Slrf' Pl4Ln l*tOT dptiil fcn '■ sh*et 1)
r ., ,nd
t,l
V t»H
u4 ««f|
Tlifwfi
ti ■—
wi I I tall
IPc
ely_
lUi¥ Cl«f Ln -i
Ism pit "
d«pih «**1
0-|0
pH
B. 3
nanciptareaua
H-6Q
a
ntfiicaleil reads
—
l« !i0« fn liMSD LfiimT tiiiri
’. IQ,150
*.0 a ?b
£id = jreu3*
f—- --
1
11
cilr-irPfliM
c.iLc*re^d->
___
I
1
—1
—-
j
MelkA Sa4i PULn Ifni ^«|l ieB
.1/2 1
u^-55hefiT 11
^croiaiitr
Abaur or- >*<«
I rw Iraihet «fti
t'.iilerl'!*.
- t.i»rn
jDnms, 3I?ti4__
JLiU.n.¥_ MBf*.
-hs.-aLmfb^
rate* ■2’£.a 1—
i ifc».l-‘>T£s£i.______
CXi^areuiii
-4---
THBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No. .
S207
Locet Ion : Melka Sadi
Dote : Plain (tor detail ace Map 1, Sheet J)
Field eppreieal bv
7 ' r- R«l|0
microrelief About 0*** lev*! slope.
Veget at ion
Soil permeability -
and use
Few bushes,
Mode rate,
Morl ton
depth <ml
feature
__________________
Semple*
depth 'em ?
pH
•■•a
• l*C
M licellentoui
n- 3a
loam
0-20
a. s
I 28
. calcareous
IQ-50
loamy eand
calcareous
50-J_0G
loam
calcareous
100-160
Inamv und
130-150
7.5
1.51
calcareous
160-200
loam
calcareous
200-220
mnd\ loam
calcareous
220-300
loam
2R0 300
85
0. 25
calc a reoue
L
Borehole No, S208
Date
li 2 71
Field appraisal by T. Hai-o
Location Melka Sadi Plain I for detail see Ma? 1. Sheet I) Slope and microraliel About O*'. level elope.
Vegetation and use
Soil permeability
Common buihn.
Moderately elo**.AZ- *
n
0OREHOLE DESCRIPTION ANO FIELD TESTS
Fialtf l term Al bT J- JtiQo
MP
XvLhP. S"dl microf*11"'
tnd
pin hi IfnF drtajS me M*p L Shall 1}
0 IO ] ft .1 lightly ■JJPrSwUfLUH iJPlir.
frrqticitc lre«B *nd fail I he 9.
Slow.
U/2/H
| t^nH J.irt
TirIh’*
lampli Jtplh Icrfi <
pH
II l-««
•1 * 'll Uli
AAUu,.^
«*<
iMiirallo n*oy p
i
■-|n
3-2 d
a. i)
a.it
calcarB^sR
Inm.
:in■t <g
4. 6
0.21
call aBcoud
■ lie, cl*] Joori
2SU-3dD
_ >jj_j
2, 02
caJcarcou*
»a.
—]----------
L
I -..
LZ
L
.
Oil*!
lll/H
FlOld tppiulvtl b> ; r, Hi]]?
billon ’"M -Hd
MrIm Jr^dL
B "d u«o .
■'"
Pl*in (Cor do tail «r» Map I . Siirct I)
A bom aft l*vel *iap*.
Cornmoa huahns and Jf* lteci.
MoblcruipLv Hiiw,BOREHOLE DESCRIPTION AND FIELD TES
Borehole No Loca t Ion ; Slope and
Vao at a t Ion
Sill Mrika Sadi
Data
Plain (for detail eee Map 1. Sheet I)
C*re • « 1a ttd
Slow.
It 2 7 1
Horiion
depth /< m j
To at w re
1 Semple
d*f>*h • cm 1
pH
•• i J «.a. as a. •«
h* lecollaneeue
J 14 n
c lav
0-20
H.O
0. 30
calcareous
(40 i •
■ and
140-160
8. 0
X . 64
calcareous
160-300
silty clav loam
280-ion
8. 0
6. 0*
calc a reous
«
4
Borehole
Local Ion
SZ12
112 7!
Sadi Plain
About 0' level alop«
Vegetation and uie Frequent bu«he«.
Soil permeability Moderate.
Horicon
deolh < m i
Taeevre
Sample
depth «m
*
r •«
•<«>
M IXoHoeoowt
0-20
■ lit loam
calcareous
».t i|tl
calcareous
_ __ — ——•———
210-500
>.%nd\ loam
calcareous
_ -—
J
1
______
___ - ——*
-------- --------------a;-p
borehole description and field tests
11/1/71
F
Plain (Xof d»L*i: ifr L Short 3 J
Spdi
AfrciuT Otf n**rly l«wel ■top*-
Madrealctr «l3«.
Jinph
dMl h< f* I
ailijoam
M.iy cl
lili Lu am
jn-iniY *ABd______
nine ±Jc.if rima
c *Jc u* rou. i
Lio
Ijr 26-;
ZW-17B
A"-1'".
ri^arpnsu
:jdcB r ** ■ ■
■ULtlff J«i
** «*«F»
r
Ham I for d*Li|l it* Map 1, 5h««r tl
About 3”"- □
J a vid «baneBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No. :
SZ15
Date :
1 I/Z/71
Location : Melka Sadi
Slope and microroltef : About 0% level elope
Vegetation
Many trees.
Slow.
I Heritor Ideplh (cm
j
Somple
depth |cm |
pH
>* i i
••
3«*C
Miacellaaeeei
0-180
clay
0-20 130-150
8.0
8. S
0 29
I 01
noncalca reoua to calcareous
1 180-300
silt learn
280-300
8.5
2.13
calcareous
------ --
•
fBOREHOLE description and field testsBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No.: S219
Dote: 11/2/71
Hold optfoleai b
*• »au
Location : Mello Sadi Plain (for detail see Map 1. Sheet 1)
Slope and mlcrorellef About 0% level slope.
Vegetation end uee : Few bushes.
Soil permeability Moderate.
Horison dsplh Icm
Texture
Sample
depth cm I
P«
________
i*
•* > »
te’c
M Iwe lie aeevt^ ""
0-JOO
sandy loam
no-iso
8.0
’ 42 J
calcareoue
•
280-100
—
8.0
1.24
------------------ —J
■—
—
•
—J
_______________________________________________________
1
4A2 ®
borehole description and field tests
Oat*
Mfl 3UI
11/1/71
*i»ld mr^aai b r. ft«ilo
y;
i*r*
5££ SOSb PIT M«2l i»ge Al - RS.
_*J u»
ir.itr tlllvfH
■*
pH
1.
•* 1 1 H-l
lt*E
M nt» II n«»f *
riltprlh t«
J
--------- ---------------- “I
""
--------- ——
4
——BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No S22J
Date: 12/2/71
Location : Mclka Sadi Plain (for detail Map I. Sheet 1) Slope end rnicrorelief . About 0% level elope
Vegetation and uio Common bushes. Soil permeability : Moderate.
Horlion Soeiple
depth cm
depth i <R
1■■
pH
•V •»*«
•« » 3 •••-
»»•<
MI it elleMet i ~
0-100 sandy loam 0-20 8 0
calcarroue
1 00-110
loam
aih ■ clay loan*
_______ aandy loam IIC-1‘0 ..0
calcareous
110-210
210*280
calc a recue
~~
c *lc*re<~:«
280-J00
_________
sand, learn 2BO-100
*.5«
calcarecue
*
•
_______ ________
Borehole No
Local ion
Slope and
S22«
Mrlha 5*4;
Date
12 2 ?l
microrehei
About :*'• e.ope
and u«i» Cacr.mc** bueh**-A2-87
borehole description and field tests
Mo SlW
m*1M* 5*d'
plflln Ifc
About Common
Modci-Al*
D»ti
r det*ii ■ *« XfAp lawtiL alopa,
23
by: F. Rillo
1. Shftt |J
ly rlptd-
...........
■ill*"
’*i
Ttaltfl*
dap’li twj
a
■* i>1 H>'
l l’ l ’
Ailitallpmflvi
a tn
IZ.llT-
D-23
fl. 0
j IS
CNlearabuB
■ i io
■ fcjvl
L10-LIO
h, a
a.ii
ciLcaraoai
IL".‘SIC
Jll-LlX.
[iJC.IJO
|LIIt <K*
SilclrrtHiii gray Ilk yearly C0*1kTiy«
lo*my iantl
2fll-J0Q
a. a
0.58
CtEeUawi
___________
t
......... . h> SiU
**■ Rlcfor,||e(
Ofcta
12 : Ti
Fltld iWrlllftl by F RadinBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No S227
Dale:
12/2/71
Field aopral.i
•Fj
Location : Mr Ik* Sadi Plain (for detail wee Map 1, Sheet 1) Slope and mlcrorollefj About 0% slightly undulating slope.
Vegetation and uae : Few trees.
Soli permeability: Slow. •
HonKin d«pih fem
T..»wr.
Sample
depth (cm)
PH
•r • > •.«'
M it<s llene«W|
0-230
Clav
0-20
130-150
8.0
8. 0
0. 22
1.04
calc ar ecus
230-300
loam
ZflO-300
8. 0
5. 80
calcareous
' --------------- --------- —
—---
’■■
fBOREHOLE DESCRIPTION and field tests
„„ D.I.: U/r.-TI
F1*|< lOfitiiil &Tr F. Aallrt
th*"1
**
jjta p:*ln
* ec W4P l- 'Sh-,,t £)
Ah<iut a* le**l ■£□?*-
Gumm*® IjuaSira And f*» Ireea ,
. ..........
I* '•* ■*'*■
I■
jnflvbiHU Modefat'
Hl1 ’*
mi*'*
ill! loam
lanHJ loam
LiMin y land
5«mprf
Aipl h ic«*
■"
I* -IIM
i > 1 «i I-
li-t
M l>M« ll v 1
]-£^_
ja-icfl
10-100
.10-123
-----------
130-150 0 2. 14 ealc*F«aui
O-Zd 8,0 1 .21 calcareuui
caJcjjcmif
— ---------------.
LAJcifrCiLlI
J10-1OD j&imY < and
2HO 1OP
a. o
z. r
caleartMi
,
4
.BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No.:
S231
Dole:
12/2/71
Locetlon : Mclka Sadi Plain (for detail ice Map 1. Sheet 1)
Slope and microrellef :
Vegetation and use :
soil permeability ;
Moderate.
Her i roe
depth icm J
feature
Semple depth [cm)
pH
•» ht •
1 ■■*>.#<■ •
• »•<
•
*4 late lleeeeva
0 60
loam
0-20
8. 0
2. 17
calcareou■
6Q-Z00
a tit loam
I 40-150
8.0
6. 4B
ea!car«*ou ■
200-300
■ and
280-300
ft. 0
1.78
calc ar roue; dark yellow! »h brown ' 10YR1 /<) vellowlBb brown (1 OYl** 4) Hr
!
-
•
Borehole No.
Location :
S232
Date
IZ/2/7I
Field appreieal by: F-Hal
Slope and microrelief : Vegetal ion and uae
Soil permeability ;
SEE SOIL PIT MJ 3 2 {pare Al -borehole description ano field tests
< Z»
Oat*-. 12/?/? 1
Fuld By; F HaJlo
^1, * ■
fl
ji-i? Map
L ShiHet 1}
[,OT i'UJl
. ■•"<* •••
W0’111
nJKf : Mcd«»t«iY •!’*
„ir
laa
-
fcr »•"
<*
, Jampl»
ck^th t rm 1
fH
li
it I'l SiJii
• •■art- ■<
3l”l
O-20
9, 0
0, 21
ctteiresQif
0j£
mrf loAfn
1
■Jh*
___ _
-
<:alcar«MiW
jfldlO.
Clay •_ 1 ___ »----
gj.f- ]fiarn _
a j[ry c3av In am
IJd-150
B. 0
0. 24
calcar# mu
nj>-M..
zaa-iao
ft. 5
0.20
cftlCJifiiuui
•
i
.----------
**••'*'• Mq, s 2J4
D*l<: |> Z, 71
Plij.tn [fur de Mi I see Map L, Sh-e-el Ij
Wr>idll by F. JU4JO
M* Li a
llQ M
'nicirQiai| *| Aboiic near] La-v-r j auepr Modi? rl t*
l
mief ®»«LIhI.
■ nd t-ummcih
l’"
S|owBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No. 5 235
Local ion
Slope and mkcrorelief -
Vegetation end use
Soil permaabill ty :
Date: 12/2/71
Field eppreisai
b:
» r. p..
SEE SOIL. PIT M 23 5 (page Al -
•
Mor i ion
depth crni
Semple depth 1 cm
pH
■ • ••-a
•• • 1 •
maKaAMa ••
>l*c
Miacalloneova
■
♦
-
~-------- *
---
•
i
■1
Borehole No s 236
Date: 12/2/71
Field appraisal by: F. R*
Location : Melka Sadi Plain (for dr-tail *e« .Map 1, Sheet 1)
Slope end microreltef About 0% nearly level slope. Moderate gilgai mirrorelirf. V«g elation and use Common bu«hr».
Soil permeability : Slow,
Me r i ion
depth cm
Texture
S ample
depth 1 cm |
pH
•i
•• • • a •• t.
»»• e
Mkst'elleaeaei
0-50
silty clav
n.ao
H. 0
0. tfi
nonealeareoue
_____ _ ——-——
—
clay
noncalcareous
_______ ___ _- ------ -----
160-170
silt loam
160-170
A. 0
2. 52
calcareous
----
ITO-500
clay
2d0-300
ft. 0
7. 02
calcareous to ncecaRareoua ___ -——-------------
_____________ —""
, _____ _ —- ~
----------- -- —
____________-———-----------------
---------------- 1
__ _________________ —-—Al-SJ
borehole description and field tests
Fl ’1- w«iIB| hT. r
1Xi 5jdl Pl«n (far
Uxp *' Shtel
io*
r 5bput Dfl nearly Iwtl iZope. GHlfil micrmUcf,
□ Common treed,
5I ^
$o*pl» JapFh |<M
HQ
pH
|l mi
«f 11 aair.
■ ■*<
MllCillt RMUI
clar
u-JD
I M-lSO
a.o
.
d, j j a. io
PjancakflFAtMli*
IflQ’lOO
s.q
1.24
4
*
.
a
L
*«• S ZJA
Dal« 1J/V7C
Fl»ld a«<rel||| bf F, Hallo
Mellt* Sadi PUm (foT deUli B„ Wap 1, Sheel 0 crojfllef About 0% nerrly !•*<! ■ l«jpe,
’ * re^mjnt huihri a.i’.fi tnw trees.
.................. ..BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No. :
S 329
Dele
13/2/71
Field aporaiiei .
Location : -Me Iks Sadi Plain (for detail see Map I. Shrrt 1)
Slope and mlcrorehef : About 0% nearly level slope. Gilgai nucrorelief. Vegetation and use Common buahes and few trees
Soil permeability: Slow.
Morl ton
depth cm|
Test ure
Sompli depth lew*
pH
• •
■ • • 3 ■
3«»C
M iicsllansovi
0-270
clay
0-20
1 30-150
B. 0
8. 5
0. 10
0. 24
none n!rarc_yui to Lijtarcoui
270-300
silt loam
2AO-300
7. 5
1.
calcare dub
—
-
•
-
Borehole No S 240
Date- 13/2/71
Field eppreital by F. Raila
Local ion
Slope and
McB«a5adi Plain (for detail see Map 1. Sheet 1)
microraltei • o tn 1 5» s Lightly undulating slope. Gilgai anicrorelief.
Vega tat Ion and uee • Common bushes and few trees. Soil permeability; Moderately slow.TH
borehole description and field tests
5 Z4I
U ,LM Sadi PUin tfor deUll ««« Maj, j. ShfleC t
wilcro*«H* About 3^ n«»rlr levil
r
a iQR
1 e iMll nsierareji^
ert( j wa« Gammon buah«a *nd tr<e|
sin*.
rln1 |i’1
1..
d»pih cm ■
D-iO
pH
a.o
— 1 IM
— ~----
Ij diHiii
■* ' I «rii
0. JI
n<in,i:aJE*reou.i ( caktrncMUi
CT
1 V- 1--0 a. 5. 10
—
*. 5
Eilc.i recui
,K1
’ .V; J_
ia Lt
4. ,jeuli
------------------ 1
. .......... S 342
L *ll, on
|j *P»
N1
n ”cro** * About o*; neir:? Uvt) alupr
■*id
1 ■ ua I • s _
a<i rtc jut a r« ''J*
iinnc&Lc At ■Ciui
calci r *uu-b
I *|l arcOTli
C4 ABOREHOLE DESCRIPTION AND FIELD TE8TS
Borehole No. S 243
Oete : 13/2/71
Field appraisal br .
r - Rai
Location ; Melka Sadi Plain (f6r detail >cc Map 1, Sheet I) Slop* and microrolief : About 0% slightly undulating elope. Vagal at ion and uaa Common buahea.
Soil permeability: Moderately alow.
Hot i ion
depth (tm |
Text ure
5 ample
depth < cm |
pH
•* 1 » Bal.
>»*C.
Mitce lie Aeovi
0-5
clay
none alcareoua
5-60
loamy sand
5-20
8. 0
0. 17
noncalcareoua
60-100
clay loam
calc a reoua
100-I 30
sandy loam
calcareous
130-260
loam
130-150
8.0
0. 12
calca re oua
260-300
• lit loam
280-300
8.0
0. 21
calcareous
Borehole No S 244 Locellon : Melka Sadi I Slope and microreliet - Vegetation and use
Soil permeability Mo
Date: 13/2/7 1
Field appraisal by F.
’lain (for detail see Map 1, About 0% level elope.
Common big trees,
dcrately alow.
Sheet 1)
Her Iton
depth Icm)
Texture
Sample
depth Icm 1
pH
fl
•i i >
MlMelleeeeui
0-60
clay
0-20
7. 5
0. 14
noncalc a re oua
___________________ ____ —
60-80
aand
calcareous
-------- — -- -
80-160
■ ilty clay loam
I 30-150
a. o
0. 10
calca reoua
____ _ -----
160-180
silt loam
calcareous
_ . —---- -—- ' —
180-230
loam . »and
230- 300
sand
280-300
8. 0
0. 08
calcareous
---------——■
____ ——-—
_____——
______________ —'
—
_______________________
1 1A2-9?
borehole description and field tests
_ ~ Data [J/Z/U
«...
.git ■
l«r
5X*5
•Wiliil by; F. R*Hq
pladjl OT
(f detail «• Map 1 5bo' Lj
1-
ll p. M* **'
fl
-* *f : About 0 71 nearly lavel -tope,
id 1C t
th
PF —A UM Frequent buthM.
illl : Moder.tPlr-lo*.
rMlh T
P-1 •"
SaaipN depth |cri
pH
W3
i «-
H0_.
H 1 «.'r
■ ■■!> a. frz
!•♦<
M lltl 1 Iq ■
day
O-ZO
7. 5
D. 17
nonc<l rite one
naneeic*r*BQ4i
i«jo
ulty day l»m
atuirAL i 4 ri cmi
icndy Learn
a. — 
-
calcar eaua
15M50
tile Loam
J5U-170
■9,0
0. 12
calrare BUI
3)-l«0
cL*T
--------------—
i
□OUClJlU «&■-;*
IM-MO
■ LU liiarn
210-JOB
a.o
0. 42
tlileifeinii
—
—
1
1
D< I*: LJ/i'Tl
•PP'Mlial bT ; F, ttillft
'Ml ieft
SMi 1*1 lie ijai detail »<* Map 1. 5 heel 1|
**!■ tna
»|Ib| . About IJ'Ji nearly L*r<l a l-rapa -
■Rtf u«> _ Fa-eluent bUabvi*
In I
r ■ Moderate,BOREHOLE DESCRIPTION AMO FIELD TESTSBOREHOLE DESCWIPTKJh AMD HS'fl
f J**
n **< W«« w * <>lL,
***^
fj
Jt FlAi” itW
••• M’° 1
n
a»h an ’.♦aft* Iml *1|?H*.
_,» ^. Ctmum M< tew
4
■ ■*"■ 1
*«*MI ■*•*««••* >r r
' ■— i
■ 111 ■>■•
uBOREHOLE DESCRIPTION AND FIELD TESTSAJ-101
borehole description and field tests
Dat« J4- ’/Tl
r
N»id lp«ralMl Dy F. RaJJ^
pl»ir» Ifor dciMIl »«e Map L SheeL 1) About 0% r>»*rly l»vel • Inpr,
Vtry ^ew bUifhe*.
SIuw-
'Titian
Mi lk.i F: fj
aS
"icrOr»|,Br
Ahqul. &*j nearly i* re l ■ lop*
,,
"’’•loo
Few feu■he a
I 1D-15G
n ®ili; jlLc ar* Sill
ftonEfcJcare«*> to UAicarwe-n
_2ftq- !qq
•_ ikl rr-fliilBOREHOLE DESCRIPTION AND FIELD TESTS■*”**!• Ma ■ s Zu
Data 14/2/71
Fia#d appeal ail byr F. Ral.o
LKibOfl 2 Mtlha s*di PL<ln |foT d»UlL Map 1, Shed I)
lag
■tlcrortll«f ■ About Dg nwlr k*»l
Mia r-
UBEnrnon :?«f* ind. h-iiihwi,
**" .
S]aw_BOREHOLE DESCRIPTION
and field TESTS
Borehole No.: S 259
Date: 14/2/71
Location : Malka Sadi Plain (for detail 100 Map 1, Shoot 1)
■ lope and mlororollef: About 0% nearly level elope. Vapalatlon and uaa : Fow buihoi,
Boll permeability : Moderately alow.
................. . h. r. M
Hor Ivon
depth !«m;
Teature
Somple
depth i'cm 1
pH
•1 111 «««r
al
*4 lived a a a aw i
’•’«
0-110
clay
0-20
7. 5
0. 32
noncalcarooua
1 10-160
sand
130-150
H. 0
0. IB
calcareous
160-220
■Hl Lq/im
calcareous
220-250
loamy aand
CAlcarnnua
350- 100
allt lnsm
2H0-500
B. 0
2. 02
calcareoua
—
___________
__________________
1
Boraholo No.: 5 260
Oate : 14/2/71
Field appraisal by; T.
Local ion : MwIRa Sadi Plain (for detail aeo Map 1. Shoot 1) Slope and mleroraliaf : About. 0% nearly level elope. Vegat at ion and uaa : Common buehna.
Soli carmen bl II ly : Moderately slow.
Tailura
pH
Mlicallaaaaui
-
0-H0
clAs
0.20
«. 0
0. 15
noncalcarenua
53-100
alltv elav
calcareoua
100-220
■ lit loam
I 10-150
5. 0
0. 13
calcareouaborehole description and field tests
D*t» 14/
HP. SifiI
*•>**“'*
Jadl
(r»d^i1 “• “■* '-
I*1'""
ii.t Ab«dl <>'# n*“lv t'**T
nr.trpr.lt*’
Z/71
Shutt 1)
*
■ i.
. ............. kf; r. liy.
J,..... -blUlJ 5LO*'
M*"
Sampla
dep*h
<■ .irij
■r i i ..i>
»*
»■■(
(J-ZQ
|_B. 0
0. 21
nMClkkl-BEHlt
i-LAy _--------------- ----------■ iw dLa.. lo*m
_r
110-150
a, n
0. H
calurequR
n-nj! i__ - - -
-EAlfJLEtQJU
■ _ -'2
Ptnd. Ltiim
»Id. 300
M
0, Z1
s Mt
MeU* Suh Plain (fo dfitxij
r
t;
□ ■tv H-'J, 71
« Map l Sheet l)
r
FitJd «p*rvkV44 tof I T. RjJJ.j
^Icrorviial ■ . rtbaiji o * rie*fiy J<v«L iUpt.
IM
U|>. ■* tew UuBhfl!.
**I ■*«_
" h|1", * ■ j e r ■ i e .■
BOREHOLE DESCRIPTION AND FIELD TES1
Borehole No. ; S 263
15/2/71
Local ion : Slope and
Malka Sadi Plain (for detail see Map 1. Sheet 1) microrelief About 1% nearly level elope.
Vagatat ion
SOU permeability • 
Moderate
Hoc lion
depth (cm
Semple
depth ’em )
PH
II
•» » J •
— — »-a- - . ts*c
a1>
M lice(|eReewt
0-15
clay
calca reouH
15-40
clay loam
15-40
a. o
0. 65
calca rcoue
40-100
sand
calcareous; jjrivel
100-270
• andy loam
1 30-150
a. 5
6. 84
calcareous; gravel
270-300
loam
calcareous; gravelA1-JG7
BOREHOLE description and field tests
s
JM **dl
f or deUil W*P J' Sb eel I)
I % isRnrlV ]*ve1 fls^pe.
1
fpu. bUEh*" '
I
M
finr«i*E
—I
1 □ i:.i3
hobc ilzirram
*]r irvau#
LiJki rrti-Ui
uAftOUI
i alri
r a kA
^4BOREHOLE DESCRIPTION AND FIELD TESTSA240?
BOREHOLE description AND FIELD tests
■ S2*7
Fltii *0»r «,l b :
h T r.
pLilfl
Ifor d^11 — W*P lf Sheet U
MrtlW1 M***"*’*'
SampM
1 JO-I 50
15C-WJ
. ilk-Af £ -*J
c«k »fe diiii
G ft h'A M GUV
rakartainA
l|, **l» Me
■ ** • Aihiaarj. plfcin [cjr detail, -ee hJlJ1 5hii|
,kl »* IM
***UlW: Ab0lll fl-K j1ceMj
uiv Com oil. A Y. A,
bi Mr.
•*‘bd'tT M
D«l«: £j/i/Ti
Field >ppr«ifii fryrF, R1JJ0
i«m
kBOREHOLE DESCRIPTION AND FIELD
tests
Borehole No.: S 289
Date: 23/2/71
Locetlon : Ami bar* Plain (for detail see Map 1, Sheet 1) Slope and micro relief: About 0% level • lope. Vegetation and use: Frequentbushes..
Soli permeability : Moderately slow.
Horiton depth (cm
Texture
Sample
depth (cm |
pH
ii. ■■■*
•> i i
>»*<
M ii c o 11 a n« | _ ' ' '
___
1
0-70
70-150
aandy loam
loamy sand
0-20
8. 0
0. 31
calcareoua
calcareous
150-170
sandy loam
150-170
8. 0
0. 13
calcareous
'
ng-w
loam
calcareous
“—-J
200-220
loamy sand
calcareous
--------------------------- ——J
220-270
clay loam
calcareous
1
270-300
loam
280-300
8.5
0. 29
calcareous
——1
J
i
Field appraisal by F-
Borehole No.: S 290
Date: 23/2/7!
Location : Amibara Plain (for detail ere Map 1, Sheet J) Slope end microrelief: About O'*, level a lope.
Vegetation and uae : Frequent bushas. Soil permeability : Moderately clou*.M-lii
borehole description and field tests
1
M0.- S ^
Pl 'ln
!• 2JZZ
p 1, She*
*•
a rm,
3^ •* ~ A
Da
BEE M» fVtl Bioj
.v.a, r
J'n
t 2)
*•*< frj. F.
lavin’*
Sample
J«plh <•" 1
pH
I* <p-#
n r i ■■>>
—Wl- »-
H"f
M Itrifl^A * i
aw
"" 1
i jily luifTT.
O-iD
M.
ntQftC ■k&rtaraa
a
jj5_-
=jBrtV
none a]C. ire diui
■ lD«rH
---- ---- J
ADBCfekartGua
d-fc* _
*« .
r.onc*;t*remjl
rt-l-
- _
da ream
■
_________
bO&c i^Lftrctfue
•x-iin
ln*m
r.i-30
cUt leaxn
' 110-150
fl. c
D. a3
cakar tom
.H-aa
calc a re cuv
r
f . ?-5t:
■■nd
cadcarePua
I
.'MH
Ithda I nUTl
.280- lOD
M.O
0, -IS
tadca ream
L_
r “
. ------------------------------- ------------------ -------------------------------------------------------------------------------------------- -
field w«l»il b F. Raila
7
-'*'*'■*" AnuKir* Plain (lot detail .cc Map 1. 5h«< i)
* 4 "Me.-r.IW AS OUI a,., lew,i lh>pi.
,
I. nunc. A Y A rilm
.... ...................... .....BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole N©. ; s 293 Location Amibera Ph Slope and microrellaf Vegetation and uaa 2
Soil pe
rmeabl Ilfy r Mo*
Data .-2 3/2/71 iin (for detail see Map J. Sheet 2)
About 0% ■lightly undiDatmc slope. F'requent Crees and buahea.
le ra rely uluw.
Field appraisal .
h>
F - *UU
Horiion depth Icm
Texlura
Somple
depth ■ cm 1
pH
1< k.J
• • ’ > •
.1
«»•<
Afliacalleaaowa
0- 10
ailrv clay loam
0-10
ft. 0 .
0. 57
none ale areoue
"■ * —
- ----------------
10-IZO
loam
nonraltare au»
120-210
clay
1 10-150
H0
0. 4 5
1 none alearehub
■” —•
t10-300
• ilt loam
280-100
fl. 0
5. 22
calcareoub
,1
1AZ-I1J
borehole description and field tests
D1a,- (fur detail
Map 1. Sheet !>
A^’ * Pl*"
r
ne * ‘V
r
,lq,7t'
# fraquant huabeS And Ireei.
‘•"•I. Me
L*l! in .
5 jq*
ft
l
enjb*n l luin (fnr detail
Data 23 271
B<e 34^ £ Shier 11
l, « Jna
i«W uj-e
Haf . Ab-dui 0 giLntitly undulaiifig G-crp-e
“’‘■■*r.v h'_«r-ei arid Sir* lecev.
’ M fekatatsty
Sam ak.
11
■ 1 ....
Ifc8r
MblCClIaRMwl
cm;
30
RH
a. o
0. 22
--- --------------------------------------
r.am’ci.MWJi----------------------------------- ------------- ----------------
- -11— --
4-f
^L<_ * f t-1>-■
h pu*dtr at o 55 J-----------------BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No. s 297
Date 23/2/71
Fl.l- .pp,.,.., bT r
Location - Amibara Plain (tor detail are Map I. Sheri I) Slope end microreliat About 0% level slope.
Vegetation and use Many buahee. Sol* permeability ; Moderately alow.
Hcri»©ri
daplh It re /
Teature
Somole
depth 'em)
pH
■1 • r
«*ppWW.«p •• 
!»•<
M licelloneeva
0-40
clay loam
0-20
B. 0
0. 32
calcareous
40-80
■ and
calca mom
R0-130
• anth loam
calcareous
1 30-150
loam
130-150
B. 0
0. 13
calca reour
1 50-200
cla\ loam
calcarcoua
2QO-2HO
loam
calca reoua
260-300
clay loam
2RO-300
R. 0
0. 30
calcareousborehole description and FIELD TESTS
Oat
• .
ri-
* **"*•» »*; T. i*«
* **”
** (I"r
p 1, 3h««t2)
b-jibei.
* Vtry '•* ***“’“d
-Hit,: ............. ..................
ll
rt*
5 4mpl« I |«pih 1«” •
PH‘
ii ■«-*
-» k i «■!■
■ ■.LiAa H
li-c
MiM4iPtia*gfct
i
0-20
a.o
0. 19
none alextbckiji
1JD-150 1
1.0
0. IE
calct.rafiw.1
calc 1 ri =ni«
•- >.»c
Uli L&MTi
ri!cir»S"JI
dlf SflllTi
2ND- JOO
8.0
0. 15
■71 k* re hub
1-----------------------------
•--------
1
4
—--------------------------
-J__________BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No. 5 302
Date: 24/2/71
hf: F Kiuo
Location ; Amibara Plain (for detail see Map 1. Sheet 2) Slope and m icrorelief : Oto 1% nearly level elope.
Vegetation and use : Few buihea.
Soil permeability ; Slow.
Hot lion depth |cm
Tea 1u re
Sample
depth 'em]
pH
>t t i ....
•»
1»*C
Mlacelleneova
0-180
clay
0-20 130-150
8. 0
a. o
0. 75
2. 6'»
calc*reoue
180-260
■ ilt loam
calc a re ciue
260-290
clay loam
calcareous
- 2?°- !P° .
ailt loam________
290- 100
8.0
I, 00
calcareous
-------------JU -11!
BOREHOLE description and field tests
h . r ,4.,o
. 5 J°4
r .Pt.‘n
;f* 1
v y frw bu»he«.
.*d u*#
., SI**'
trt ‘ • |«,
S ws
D«l«; iS/Z/71
F>«l'd ApglfalHll fcj ; ■» ■ ® A'»a
*Jn
1J4 ,Tt pj> n
.
,Cr|3r«litf Abuut
4
 I. 
cUjl |fle Mip
3>
|
r „aT y ]evel |lo?r t
. .......* u,, .
" .... ......... ""r; »>□.
F'tu. bukea.BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No.: S 306
Location : Amibara Flein (for detail sec Map I, Sheet 2)
Date: ZS/z/7l
•••»»••••* bT r. r.Uq
Slope and microralief About 0% nearly level -lope. Moderate gilgai ftiic ror eliaf. Vegetation and use Few tree- and buahea.
Soil parneability :
Horicon
depth |em|
feature
Sompla
depth (cm |
pH
i■
•t 1 3
•!
1»-c
Mlacallonaaua
0-30
clay
0-20
7. 5
o. 39
noncalcareoua
30-80
loamy sand
calr.a recru-
80-240
clay
130-150
B. 0
0. 27
calcareous
240-30U
ailt loam
280-300
-
60
0. 49
ualcarcoua
Borehole No. I S 307
Date: 25 2/ 71
Field appraiaat by - F•
Location : Amibara Plain (for detail see Map I, Sheet 2) Slope end mtcrorellef : About 0% nearly level slope.
Vegetation and use . Few buahea.
Soil permeability Slow.Abl1l
BOREHOLE DESCRIPTION and field
- **aw''
for deuU ie« M»? 1. Shet: l\
*' ! Ah0U‘ 0’’’ r',lfIy ;*Vel ,!01”’
1*^ .. c«nn>an bu»b«« »n<> <”• «««.
’ nu'*7* PUm lot detail tee Map J, Shr*t 2| * About 0*lwl .lop<
r
Ke * **«•• »nd butb.t
•*•?»** <m ;
MO - loo
calcar* cwt
calcar* out
cakarcou*BOREHOLE DESCRIPTION AND FIELD TESTS
aor.hoi. No s MO
Dale: 25/2/71
Field
•FPr.I.al by: F. R |
al o
Location : Amlb>r> Plain (for detail ■ " Map I, Sheet 2) Slope and microrellel : About 0% level .lope.
Vegetation and uae : prw trees and buahea. Soil permeability . Slow,
■
Hor i jpn
depth Icm I
Teatwre
Sample depth Icm I
pH
Bl
»• • 1
M >i<«llan«aMI
0-40
•lit loam
0-20
B. 0
0. 29
calcareous
10-26 0
clay
1 30-150
R. 0
2. 14
2* *0-300
lo.im
2HH-30D
R. 5
3. 03
cfclc a re oue
*~
I
-
________ _
.
Borehole No S311
Location : Amibara Plain (for detail «“ Map 1. Sheet 2)
*
Slope and microrellef : About 0% level wlope. Vegetation and uae Few buahea and tree". Soli permeability: Slow.
25/2/71
Field appraisal by F. Ratio
depth <m|
T<
Sample _ M
depth 'cm >
vi. •
■ > ....
,,•<
M lacelleborehole description and field tests
X
Dft
s >l2
<*** * P^-' (t” d'“il ” -H.r 0 w veryunduL
C^mor tT*«- -nd
•"<'
" ”! 11
lf
F| *M w™i»i b, r.
j1*1
M'Kiriflntwa
O-JO
7.5
0. 45
qqncfclc. *r«ri<j|
M* .
LS-
r£5
___ __ -*■ ! pit lei!51
110-lSQ
B. 0
0. ZX
€ * Ecj. r » gmjb
Elif
CaildTtOua
__________
*«.: Sin
hi * ’lhari PU,n drUkl aeo Map J. Shact Z)
.........
o*t*. 25 : t:
Fi«Jd appulfi^ by, F FUllo
r
•M ut<
Fe-w tree.
-5lo*s
fBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole Ho. s JU
Locellon : Amlbara Plain (lor detail aeo Map 1. Sheri 2) Slope end mlcrorellet i About 0% .lightly undulating elope.
Dele: ll/Z/U
F,,ld
........... .................. »T : r. Ran.
Opetatlon end uee : Frequent bu.he. and treee (eome treea are dry). Soil permeability • Slow.
Mar non
depth (cm :
Semple
depth (cm)
pH
•4 ' 1 «e.«
■ »*<
Miacelloneewa
0-290
clay
130-150
B. 0
3. 13
very many snails in the upp*r 5 cm (vary recant alluvium)
290-300
loam
■ --------------
290-300
B. 0
1.92
“ —
-U-Ui
BOREHOLE description AND FIELO TESTS
J**
s Ji*
puin f'°*
0 la If* verT
t eluent U««» -
|j*d *•
S: "’
□ it« 25. J 71
M ’P l* Si"' 11
slop*.
IMr*,,,
Baiejki
I*"*
SampU 1
np’b
pW
1 +»«ni
• 1 iain
n*e
MInvIIvmmb
0. 51
2,61 caLcir«ous
------------ -------------------
-■
‘l •' ’
Q.20 R.G
1 JO- ISO e.o
*ao- 100
B. 0 '
2.97
""t '
L
l
1
------- -------------------------
T"
1
x_
i
-L
--— 1
iBOREHOLE DESCRIPTION AND FIELD TESTS
Borehole No S lift
Location : Amibara Plain for detail are Map I. Sheet 2) Slope .nd mieroreliel 0 to 1 % level slope
Vegetation and
Soil permeability ;
Date- 26/2/71
Her icon
dsplh l<m 1
Teslura
Scmale
daplh cm
pH
ii ...4
•i i r «...
l» c
a
Milcalla n*oui
____O-fiO___
clay
0-20
B. 5
0. 36
RO-ZOO
loam
— ------------- —
I 30-150
a. o
0. 67
zoo-z 10
clay .
. 230-300
loam_______
2BO-3OD
—
L
Borehole No S 319
Location : Arnibara Plain (for detail sec Map I, Sheet 2)
Date 26 2/71
Field appraleei by F- Raila
Slope and
Vegetal ion
m icroral laf
and uee
About 0% slightly undulating slope. Frequent bushes and trees (come trees are dry)..
Soil permeability : Slow.A2-1Z5
0OflEHOLE description and field tests
5
, ,*d
Date 27 2/71
detail eee Map I. Sheet 2)
0 to *<rV ululating •ioP -
e
F ,« «••• •Dd bu*b"-
Fltld W^bbl by: y. R^ii*
|1N
. •1OW*
Dele; 27/2/71
Field eppreltel by F. R&llo
*” I'lwn |(OT
oee XU(> x ShMi
m 'C'O<eilef .
bout 0 very \unlulAting slope.
U|< p
fluent buahea and tree..
........... ” Slow.BOREHOLE DESCRIPTION AND FIELD TESTS
Borehole Location Slope an VoQwtatl
Soli per
No : S322
Amibara Plain (for d microroller : About 0% u
On and uoo : Frequent t
maeblllty : slow.
O’,-! ,T/I/7‘
detail see Map 1, Sheet 2)
indulatlng slope.
reee and bushes.
n-U W..L.I b,: f. R.no
Horiton
depth Itm,
Texture
Sample
depth Icm J
PM
n
•* » i
!>•<
-1
M iKolloNeevg
0- IBO
clay
0-20 130-150
K. 0
• 8. 0
0. 1 9
1. B2
calcareous
180-220
loamy sar.d
calcareous
220-280
loam
calcareous
260-300
silty clay loam
calca rwouB
♦
Borehole No. : S 323
□ 27/2/71
Field appraisal by: F. Rallo
Local Ion : Amibara Plain (for detail see Map 1, Sheet 2) Slope and mtcrorollof Ahout 0**. nearly level slope.
Vegetation end use Frequent trees and buthe»
Soil permeability !
Moderately alow.
Her iico
depth l«m 1
feature
Semple
depth ■ cm .
pH
• i. • ••*
•« i > •••• •<
tl*c
M lacellenaewcAZ-l
gOREHOLE description and field tests
’ Mala (for
About Of.
Data: 27/2/71
M *P L Sheet i)
’ loPe-
•PP'Hiil by; F. Hallo
. ,u«nt tree. «<» common buehee.
re
Moderately ilo*.
Sample
lasW*« <ispfh {<m)|
-T
pH
11 <e«4
’ I 1 <•»».
»*C
M licallansaui
0-20 7.0
0. 40
ncncalca reous
no-iso i
1
8.0
0. 20
calcareous
r
1 —1
calcareous
280-100 8.0 0.64
calcareous
j-—”
1
L
J
I__
__ _
1L
1
X
LI
*
S *lhsra
’ ’• uer<|ie1
* ,'1V| fenn uu
Date 27/2 "I
Pl<h fur detail «er Ma? l. Sheet 21
Abuu* Of, level slope.
bushes and trees.
Slox-
Field appraisal by- r« R«Hoborehole description and field
Borehole No. s 32fc
DHe: 27/2/71
Location :
Slope end
Ami bar a Plain (for detail
•ee Map 1. Sheet 2)
microrellof:
About 0% level slope.
Vegetation and use Common treee » d bushes.
n
Moderate.
Horiion
depth |cffl|
Teilvre
Somple
depth Icm
i
pH
II.
•' M «... 'Mk^l***
___ 1I*C
M i i< s 11 deseoi "" ' ~^***^"
0-50
clay
0-20
7.5
0. 27
noncakareoue
50-100
sand
calcareous
-------------------------------------------------
"
100-210
loam
130-150
8. 0
0.20
calcareous
210-280
sand
calcareous
———4
280-tOO
■andv loam
280-300
8.0
0.13
calcareous
—.
-J
—J
t
Field appreleal by- F- R,Uo
,,,
Borehole No. : s 327
Date 272/71
Location :
Amibar. Pl»i" (for deutl .« Map 1. Sheet 2)
Slop, .nd mkror.lff About 0*.n..rlyle«l«loP'r
JU-Lil
BOREHOLE DESCRIPTION ANO field TE8T3
II*"*
1 1*’:
Hif
Oate: il/i/TJ
ffor tUiAl! i*e Mip I, Shea' 21
AScul OS ■lilWy
Cattun“Q ti»«» «'d fr«qu*wt biinti
’!■« W'ltm
F. UJi*
^1* ntf’ ’■
tempi*
d*pih cm*i
pH
** ’ 1 ■■ i i
ll’t
HlH ■!!•»•»*
!•!’_
I-ifl
tira
I3-1#
day
0- L5
B. 0
0. 45
nor-c>3c* F#OA1«
■Joan*
cilca reti-j|
Sind
EaltKFRQLa
tLLiy day
110-150
£R0-J GO
0. o
a. o
0, 25
0.
calcarloui
■ ---------------- —■ -
f
I
■"***“• SJ1,
1l *« fa"
Amit* jj,
r *1^Cl art her
Pla.n
About
Many
Data: Z7/Z.T.
(lor ileml] itc Map I. Sheit
0% all^htly undjlatinf slope, 'mahfta * nd few Lrefli
F-aU werapul » ‘
T
r - ^alia
I:
I
Iborehole description and field
tests
Borehole No.: S no
Location :
Amibara Plain (for detail eee Map 1, Sheet 2)
Slope and
microrelief
About 0% nearly level elope. Pillow
Vegetation and use : Few buoheo and trace.
Soil permeability : Slow.
Her Iren depth Icm
Tealure
Semple
depth (cm I
pH
>1. • ■*>4
•• • 1
■ ■Wil*
Jl“c
Mia<ell«Reetft
0-100
clay
0-20
1 10-150
^2S0-300
8. 0
8. 0
H. 0
0. 20 0. 99
0.15/
____
Field appeal eel bp F.
Borehole No SIH
Location
Slope and
Vegetal Ion
Amibara ?»•>« (for Jetail
mlcror.liof: About 0ft .lightly undulating .lope.
28/2/71
Map ’* Shr,t
.„d u.a ; j.*ew tree, and frequent bu.he..
Are. of A. V. A. 1 arm.Ai-111
borehole description AND FIELD tests
v *d «•*
. About of- RC*rlv l«l
Grai«lan<3‘
Slow.
,dH
iamplv
U^th (<ffl 1
PH
Miw^ T Il'c
sLit
0-20
130-150
B.O
0.0
0.25 0.70 ,
r^e Tse >1e« room
gO- Soafil
210-300
s.s
I.b5 1
c*lcir»qu*
L--
-
-F------------------------------------------------ ———---------------------------- — -
I
***■
s
Oil* 2U. l. ?L
Fi«Jd eppifriaal by F. Katin
Ml .
w
Ami^*
ri Plain (frar detail if* Map i SbfBt I)
(
taj
’ About Q-J, 1 «I
BV
Cotton A. V.A, Fazm. Slow.BOREHOLE DESCRIPTION AND FIELD
tests
Bor.hoi. NO.: S J34
0.1. : „/,/„
Amibar< Plain (for detail see Map 1. Sheet 1)
Field appraisal
by: T. Raila
Location ;
Slope
Vege Soil pe
and microrelief Ahout 0% level elope. tation and use : Cotton . A. V. A. Farm.
rmeabllity ;
Moderate ily slow.
Hor iron
depth cm
T.at.r.
Sample
depth '<m |
pH
ii • *-«
•» * 1 ..lr
— — ■ »
»1’<
M iicelloReaea
0-60
loam
0-20
8. 0
0. 20
calcareous
60-70
sand
calcareous
70-110
sandy loam
calcareous
1 10-J 50
150-300
clay
loam
1 30-150
280-300
8. 0
1.91
calcareous, grayish blue pearly coatings
8. 0
0. 61
calcareous
__________
]
rR U
Date 28/2/71
Field appraisal : * “
Borehole No : S 3 3*
Location Ami bar a Plain
(for detail see Map I. Sheet I)
Slope and mlcroraliaf : About 0% level slope. Vegetation and uae Cotton. A. V.A. Farm.r
A2-1H
BOREHOLE description and field tests

< <

Summery

Summary of Melka Sadi-Amibara Irrigation Project Soil Study

Melka Sadi-Amibara Irrigation Project: Additional Soil Study

Prepared by: Italconsult, Rome
Date: September 1971
Commissioned by: Imperial Ethiopian Government, Awash Valley Authority

1. Introduction

The study was conducted from December 24, 1970, to February 28, 1971, covering 17,770 hectares in the proposed Melka Sadi-Amibara irrigation project area, located approximately 180 km northeast of Addis Ababa.

Objectives:

Increase accuracy of land classification through field investigations and laboratory analyses
Determine degree of salinity and alkalinity in project soils
Obtain information on soil permeability for water intake and drainage
Determine boron content in soils and Awash River water

Field and Laboratory Work:

Activity	Quantity
Soil pits (3m deep)	113
Boreholes (3m deep)	263
Infiltration tests	12
Permeability tests	23
Leaching tests	2 (with 12 treatments)
Soil samples analyzed	1,528
Water samples analyzed	30

2. Study Area Description

The area consists of three main geomorphological units:

Recent alluvial plain (study area location)
Old alluvial terrace
Volcanic formations

The land was formed by two main phases of deposition from the Awash River, with flooding and sedimentation reduced after construction of the Koka Dam.

3. Key Findings

3.1 Irrigation Water Quality

Awash River water was classified as C₂S₁ (medium salinity hazard, low sodium hazard):

Boron content: generally low (0.10 ppm in test water)
pH range: 7.6-8.6
Electrical conductivity: 300-430 micromhos/cm (25°C)
Satisfactory for irrigation with adequate leaching and drainage

3.2 Leaching Requirements

Calculated leaching requirement: 7% of irrigation water (very low volume)

Can be supplied by increasing water during one of the latest irrigations outside peak requirement period.

3.3 Leaching Tests

Tests showed:

30 cm of water required per 30 cm of soil to reduce initial salt content to ~20%
Soils can be easily leached free of salts (electrical conductivity reduced to ≤1 millimhos/cm)
Both brown loamy soils and black clayey soils responded well to leaching

3.4 Soil Conditions

Salinity, alkalinity and boron status:

Few soils with high salinity in root zone (mainly in southeastern Melka Sadi and central Amibara)
Sodium levels insignificant - no alkali soils found
Boron present in moderate amounts, generally below root zone
No salinity/alkalinity/boron problems anticipated with irrigation

3.5 Permeability Tests

Results:

Infiltration rates: 3-23 mm/h (all above critical 2.5 mm/h threshold)
Permeability values: 1.3-700 mm/h (wide variation across sites)
Soils considered drainable for irrigation purposes

4. Land Classification

The area was classified for irrigation suitability under future conditions:

Land Class	Subclass	Area (hectares)
Class 1 - Arable	1	8,788.6
Class 2 - Arable	2s	6,810.4
Class 6 - Nonarable	Various	1,300.0
Geographic deductions and rocky zones		871.0
Total		17,770.0

Classification Criteria:

Class 1: Sandy loam to friable clay loam, exchangeable sodium <10%, EC <4 mmhos/cm
Class 2: Sandy loam to stable friable clay, exchangeable sodium <20%, EC <10 mmhos/cm
Class 6: Nonarable lands including salt-affected soils, rough stony areas, etc.

5. Conclusions

Soils in the project area are generally suitable for irrigation
Awash River water quality is satisfactory for irrigation
Leaching requirements are minimal and manageable
No significant salinity, alkalinity or boron problems anticipated
15,599 hectares classified as arable (Classes 1 and 2)
Findings support feasibility of the irrigation project