High scaling during early constuction at Boulder Dam [left], Transporting men by cableway, Boulder Dam [middle], Boulder Dam dowstream face and power house [right], 1931-1936
The filling of the Hoover Dam after the completion of the construction. It was previously called the Boulder Dam, and in 1947 it was officially renamed the Hoover Dam. Written on the top of the photo: "BDRA. NEV. 4.36 350." Site Name: Hoover Dam (dam)