From the Morgan Sweeney Photograph Collection (PH-00228). 30,000 kva transformer for Unit A-4 upon arrival at the Nevada cableway landing in December 20, 1951.
From the Morgan Sweeney Photograph Collection (PH-00228). Hoover Powerplant showing reinforcing steel workers tying and placing steel rod. Carpenters installing forms preparatory to placing concrete August 31, 1951.
From the Morgan Sweeney Photograph Collection (PH-00228). A-4 butterfly, a valve completely assembled and tested. Weight 200 tons in December 20, 1951.
From the Morgan Sweeney Photograph Collection (PH-00228). Generator Unit A-9, there are three sections of stator, complete with laminations and coils, assembled on generator floor on July 13, 1951.