Archival objects in this container: Laborers harvest carrots in the Imperial Valley, California: photographic print and negative, approximately 1930 to 1933 Unidentified man by the Colorado River near Black Canyon, Nevada: photographic print and negative, approximately 1930 to 1933 The Colorado River at Cape Horn, Nevada, showing Six Companies, Inc. worker housing: photographic print, approximately 1930 to 1933 Aerial view of the Colorado River at Black Canyon, southern Nevada, courtesy of Spencer Air Photos: photographic print, 1929 January 13 View of the Colorado River at Black Canyon, southern Nevada, taken from the top of the Hoover Dam during its construction: photographic print, approximately 1930 to 1933 Powerplant used during Hoover Dam construction, southern Nevada: photographic print, approximately 1930 to 1933 Aerial view of the Hoover Dam site on the Colorado River at Black Canyon, southern Nevada, courtesy of Fairchild Aerial Surveys, California: photographic print, 1930 June 27 Aerial view of the Hoover Dam site in Black Canyon, southern Nevada, courtesy of Fairchild Aerial Surveys, California: photographic print, 1930 June 27 Tourists at lookout point on the Black Canyon, southern Nevada: photographic print, approximately 1930 to 1933 Unidentified individual holding a rock and a pickaxe by the Colorado River, possibly southern Nevada: photographic print, approximately 1930 to 1933 Unidentified individuals walk near the lower portion of Black Canyon, southern Nevada: photographic print, approximately 1930 to 1933 View looking south along the Colorado River, about five miles below the dam site, southern Nevada: photographic print, approximately 1930 to 1933 The Colorado River at sunrise, twelve miles below the dam site, southern Nevada: photographic print, approximately 1930 to 1933 The Colorado River, seven miles below the dam site, southern Nevada: photographic print, approximately 1930 to 1933 Unidentified man standing by the Colorado River, five miles below the dam site, southern Nevada: photographic print, approximately 1930 to 1933 Surveyors overlook Black Canyon, southern Nevada: photographic print, approximately 1930 to 1933 Colorado River, twelve miles below the dam site, southern Nevada: photographic print, approximately 1930 to 1933 View of Boulder City, Nevada: photographic print, approximately 1930 to 1933 View of Boulder City, Nevada: photographic print, approximately 1930 to 1933 View of an administration building, Boulder City, Nevada: photographic print, approximately 1930 to 1933 Hoover Dam construction crew arriving in Boulder City, Nevada: photographic print and negative, approximately 1930 to 1933 People outside of a store in Boulder City, Nevada: photographic print, approximately 1930 to 1933 Bridge over the Colorado River, possibly near Yuma, Arizona: photographic print, approximately 1930 to 1933 Coachella Valley, California date factory: photographic print, approximately 1930 to 1933 Unidentified man working at a date farm, Coachella Valley, California: photographic print, approximately 1930 to 1933 Load More