Search for all of "Hoover Dam", all of "Electric Lines -- Hoover Dam ariz And Nev --"

Grid | List | Tile

      Title Description
1 Object thumbnail
Topographic map of Boulder Canyon Project, Hoover Dam area, 1932 Scale [ca. 1:221,760. 1 in. to approx. 3.5 miles] ; 1 map : col. ; 51 x 62 cm ; Relief shown by contours and spot heights ; "Prepared in Washington Office from compilation made in Las Vegas Office." ;...
 

Subscribe to this Search