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
Pg.1 #2262 Hoover Dam. June 27, 1933. Pg.1 #2256 Cut-off trench at upstream side of Hoover Dam. June 23rd, 1933. Pg.1 #2263 Hoover Dam. June 27th, 1933.