Archival objects in this container: Several officials signing the contract to construct Hoover Dam, 1931 April Fortification Hill, Nevada, approximately 1930-1939 Carl Gray handing Ray Lyman Wilbur the first railroad spur spike for Hoover Dam, approximately 1930-1933 Men at the Hoover Dam site, approximately 1930-1933 Representatives of the Colorado River Commission, approximately 1930-1933 Colorado River above Black Canyon before construction on the Hoover Dam, approximately 1930-1934 Beginning of a 5000-hole blast, Hoover Dam, approximately 1930-1934 Canyon blasts, Hoover Dam, approximately 1930-1934 High scaling operations at the Hoover Dam site, approximately 1930-1934 Scaling operation, Hoover Dam, approximately 1931-1935 Black Canyon, Hoover Dam, approximately 1931-1935 Black Canyon, Hoover Dam, approximately 1930-1934 Sundown in the Black Canyon at site of Hoover Dam construction, approximately 1932-1935 Sundown in the Black Canyon at site of Hoover Dam construction, approximately 1931-1935 Hoover Dam, approximately 1931-1935 Jack Rose, Las Vegas, Nevada, approximately 1934-1939 Jack Rose, Las Vegas, Nevada, approximately 1934-1939 Jack Rose, Las Vegas, Nevada, approximately 1934-1939 Man in costume, Las Vegas, Nevada, approximately 1934-1939 Woman in costume, Las Vegas, Nevada, approximately 1934-1939 Imogene Domingo and Ilee Castillo at the Helldorado Parade, Las Vegas, Nevada, approximately 1934-1939 Jean Goodshell and Walter Scott, Las Vegas, Nevada, approximately 1934-1939 Helldorado Parade procession at night, Las Vegas, Nevada, approximately 1930-1939 Helldorado Days Parade, Las Vegas, Nevada, approximately 1934-1939 Dutch Goerman and a woman at the Helldorado parade, approximately 1934-1939
