Humans and the Environment-Making an Impact 

By:Reginald Hamlet




Hoover Dam 


-Created from the Colorado River 


-1922 Colorado River Compact to divide the water proportionally among the seven states, but the legal wrangling continued until outgoing President Calvin Coolidge authorized the Boulder Canyon Project in December 1928.





3D Hover Dam model

Polders 

- a tract of low land (as in the Netherlands) reclaimed from a body of water (as the sea) 

-Reclaimed land 


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Humans and the Environment-Making an Impact

by reginaldhamlet

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Public - 10/7/16, 5:05 PM