628 
Figure 3 The compiled map from pnoto-mosaics covered the area. It indicates Nine sub-basin 
running from west to east. They are defined from north to south respectively as following: 
I. The northern sub-basin, II. Wadi Abu-Haad sub-basin, III. Wadi El-Darb sub-basin, IV. «a 
i Khreim sub-basin, V. Wadi Um-Yasar sub-basin, VI. Wadi Khurm El-Uyun -Gharib sub basin, 
Wadi Dara sub-basin, VIII. Wadi Dip sub-basin, IX. Wadi Abu-Had sub-basin. 
300' 
0.0 
B 
200- 
300- 
0.0- 
c. 
E 
z 900 
—• 
-I 
^300 
0.0- 
Figure ¿1-. 
A 
0.0 
B 
12 00- 
o.ol 
c 
1200- 
3 00- 
" o.o- 
Figure 5.