U. S. GEOLOGICAL SURVEY BULLETIN 845 PLATE 27 
A. THE DESERT FROM WHICH THE SALT RIVER VALLEY IRRIGATION DISTRICT 
HAS BEEN RECLAIMED 
It is covered by cacti —_ oe desert plants and margined by bare rocky mountain slopes. 
Note sahuaros in fruit, also cholla at right. 
B. IRRIGATING IN SALT RIVER VALLEY 
The water is derived from the Salt River and from wells. 
