Archival objects in this container: Visitors on a tour of Hoover Dam standing near the elevator, approximately 1935-1940 Visitors on a tour of Hoover Dam standing near the elevator, approximately 1935-1940 Buses on the crest of Hoover Dam, approximately 1935-1940 Buses on the crest of Hoover Dam, approximately 1935-1940 Union Pacific buses and visitors on the crest of Hoover Dam, approximately 1935-1940 Union Pacific buses and visitors on the crest of Hoover Dam, approximately 1935-1940
