til 

 a 



ectric 



River, will give an assured 

 supply of water for about 200,- 

 000 acres of land in Salt River 

 Valley. This includes several 

 thousand acres which will he irri- 

 gated with water pumped from 

 underground supply hy means or el 

 power generated at the dam. The Tonto Dam, 

 which will he the highest in the world and the next 

 largest to the great Assouan Dam across the Nile, is seventy miles 

 from Phoenix, hut the land to he irrigated from it lies within a radius 

 of twenty miles around the city. The dam is reached hy a -wonder- 

 ful wagon road from Mesa, huilt through magnificent mountain scenery 

 hy means of honds to the amount of $75,000 voted hy the people 

 of Phoenix, Tempe and Mesa. At the dam site is the construc- 

 tion camp of Roosevelt which will he flooded" -when the reservoir 

 is filled, hut -which now serves its purpose as the headquarters for 

 hundreds of husy workmen. 



Built of huge hlocks of hard, red sandstone laid in cement in the 

 most permanent of masonry construction, the Tonto Dam -will tower 

 270 feet ahove its foundations on hedrock thirty feet helow low- 

 water mark. This means 240 feet of structure ahove the surface, 



