Browsing Aerial Photography by Subject "Water-power"

Now showing items 1-9 of 9

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      engineering firm: United States Bureau of Reclamation (American, 1902-), contractor: Six Companies (American, 20th century) (2010-04-05)

    • Hoover Dam 

      United States Bureau of Reclamation; Six Companies (1931-1936)