Archival objects in this container: Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates, approximately 1934-1936 Hoover Dam with open jet flow gates, approximately 1934-1936 Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates, approximately 1934-1936 Hoover Dam with open jet flow gates, approximately 1934-1936 Hoover Dam with open jet flow gates, approximately 1934-1936 Two men standing in Black Canyon and watching water discharging from the jet flow gates of Hoover Dam during construction, approximately 1934-1936 Hoover Dam with open jet flow gates, approximately 1935-1936 Hoover Dam with open jet flow gates at night, approximately 1935-1936 Hoover Dam with open jet flow gates at night, approximately 1935-1936 Hoover Dam with open jet flow gates at night, approximately 1935-1936 Men on the Arizona side of Hoover Dam watching as water discharges from the Nevada side jet flow gates, approximately 1934-1936 Hoover Dam with open jet flow gates and a boxcar being lowered into the canyon, approximately 1934-1936 Hoover Dam powerhouse and open jet flow gates, approximately 1934-1935 Water discharging from open jet flow gates on the Nevada side of Hoover Dam, approximately 1934-1936 Open valves of the Hoover Dam outlet works, approximately 1934-1936 Open valves of the Hoover Dam outlet works, approximately 1934-1936 Open valves of the Hoover Dam outlet works on the Nevada side, approximately 1934-1936 Powerhouse open valves at Hoover Dam outlet works, approximately 1934-1936 Powerhouse open valves at Hoover Dam outlet works, approximately 1934-1936 Load More