194 



OUR FEDERAL LANDS 



for greater purposes, or even on occasion to the field 

 of the nation, and its enormous economic possibili- 

 ties at once will become apparent. Super-power is 

 power flexibility. 



Giant power, on the other hand, means power 

 combined from all sources of production steam 

 power plus water power, practically. Imagine steam 



REGIONAL WATER POWER BY PLANTS (100 HORSE-POWER OR 

 MORE) AND HORSE-POWER 



DISTRIBUTION OF DEVELOPED WATER POWER IN 

 UNITED STATES, 1921, 1924-1928 



