Ali Farrag, Farrag 
  
     
Plate 1 Window (458 square km) of 1995 image 
(unsopervised classified) 
  
Plate 2 Window (458 square km) of 1998 image 
(unsopervised classified) 
River Nile and 
water bodies 
    
Built up areas 
[ene Desert areas 
   
Cultivated land 
Polluted areas 
  
  
50 International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part B7. Amsterdam 2000.