Search for all of "Hoover Dam", all of "Irrigation -- Mead Lake Watershed ariz And Nev -- Maps", all of "Boulder Canyon Project-- Maps"

Grid | List | Tile

Object thumbnail
1. Topographic map of Boulder Canyon Project, Hoover Dam area, 1932
Object thumbnail
2. Topographic map of Boulder Canyon Project, Boulder Dam area, 1940
 

Subscribe to this Search