POWER AVAILABLE TO MAN 



473 



water, he is conserving energy that would otherwise be 

 wasted. " The mill can never grind again with water that 

 is past." There is, however, only so much water power in 

 the country and it is exceedingly important that these 



ELECTRIC POWER PLANT AT NIAGARA 



Conserving the energy of running water by transforming it into usable 

 electrical energy. 



sources of power should remain in the possession of all the 

 people as represented by their Government and not be 

 monopolized for the commercial gain of a few people. In 

 recent years the United States Government has arranged to 

 retain control of power sites on public land, and to lease 

 rather than sell water power to individuals and corpora- 

 tions. Running water is a never-stopping, sun-power 

 engine, and its use should be the birthright of mankind. 



