Archival objects in this container: Hoover Dam from above the Arizona spillway, approximately 1936-1939 Downstream face of Hoover Dam from the Nevada lookout point, approximately 1935-1939 Hoover Dam upstream face and intake towers, approximately 1936-1949 Colorado River viewed from the Hoover Dam, approximately 1935-1939 Hoover Dam as seen from the Arizona side, approximately 1936-1939