Roosevelt Dam, Ariz.

 

c1915.

https://www.loc.gov/item/93501398/

Arrowrock Dam down stream face

 

c1914.

https://www.loc.gov/item/2008676670/

Grand Coulee Dam, Wash.

 

1937.

https://www.loc.gov/item/2007663007/

Boulder Dam. Nevada

 

1940.

https://www.loc.gov/item/2017779922/

Roosevelt Dam & lake

 

c1913.

https://www.loc.gov/item/2007661417/

Roosevelt Dam, Ariz.

 c1916.

https://www.loc.gov/item/2008676667/

Boulder Dam, air shot

 

https://www.loc.gov/item/2016855679/