Archival objects in this container: Postcard: Fort Callville near Las Vegas, Nevada, approximately 1930-1940 Postcard: Hoover Dam construction, 1934 Postcard: Yellow Pine Mine locomotive engine, Goodsprings, Nevada, approximately 1930-1940 Postcard: Hoover Dam upstream face during construction, approximately 1935 Postcard: school children, St. Thomas, Nevada, approximately 1930-1940 Postcard: Hoover Dam, approximately 1933-1936 Postcard: Valley of Fire, Nevada, approximately 1930-1940 Postcard: Hoover Dam, approximately 1929-1935 Postcard: Valley of Fire, Nevada, approximately 1930-1940 Postcard: Arrowhead Trail, Nevada, approximately 1930-1940 Postcard: Hoover Dam, approximately 1935-1960 Postcard: Hoover Dam outlets, approximately 1935-1940 Postcard: wild burro, Nevada, approximately 1930-1940 Postcard: Hoover Dam's downstream face, approximately 1935-1960 Postcard: Hoover Dam at night, approximately 1935-1960 Postcard: Hoover Dam visitors, approximately 1937-1960 Postcard: Hoover Dam downstream face, approximately 1930-1940 Postcard: Hoover Dam box car, approximately 1930-1940 Postcard: cars driving over the Hoover Dam, approximately 1935-1940 Postcard: Nevada Lookout Point, Hoover Dam, approximately 1935-1940 Postcard: visitors gallery, Hoover Dam, approximately 1935-1940 Postcard: Lake Mead, approximately 1930-1940 Postcard: motor boat on Lake Mead in front of the Hoover Dam, approximately 1934-1940 Postcard: Fortification Mountain, Lake Mead, approximately 1934-1940 Postcard: man with two burros near the Hoover Dam, approximately 1930-1940