Archival objects in this container: Mountain view of Black Canyon, southern Nevada: photographic print, approximately 1932 Colorado River and Black Canyon, southern Nevada, downstream: photographic print, approximately 1932 Panorama of Black Canyon, southern Nevada: photographic print, approximately 1932 Panorama of Black Canyon, southern Nevada, looking east: photographic print, approximately 1932 Ridges above Black Canyon, southern Nevada: photographic print, approximately 1932 View of Black Canyon and Fortification Hill, southern Nevada: photographic print, approximately 1932 Fortification Hill, Black Canyon, and mountains, southern Nevada: photographic print, approximately 1932 Area southeast of Boulder City, Nevada: photographic print, approximately 1932 View of Hemenway Wash and the Colorado River, southern Nevada: photographic print, approximately 1932 View of Hemenway Wash, southern Nevada, looking north: photographic print, approximately 1932 Black Canyon Highway, southern Nevada: photographic print, approximately 1932 View of Black Canyon Highway, southern Nevada: photographic print, approximately 1932 Houses in Boulder City, Nevada: photographic print, approximately 1932 Eldorado Valley, southern Nevada: photographic print, approximately 1932 Bureau of Reclamation administration building in Boulder City, Nevada: photographic print, approximately 1932 Six Companies, Inc. railroad by the Colorado River, southern Nevada: photographic print, approximately 1932 Six Companies, Inc. railroad: photographic print, approximately 1932 Six Companies, Inc. trestle bridge: photographic print, approximately 1932 Six Companies, Inc. gravel pits near the Colorado River, southern Nevada: photographic print, approximately 1932 Six Companies, Inc. gravel screening plant at Hemenway Wash, southern Nevada: photographic print, approximately 1932 Mountains near Nelson, Nevada: photographic print, approximately 1932 Views of an area near Nelson, Nevada: photographic print, approximately 1932 Aerial view near Nelson, Nevada: photographic print, approximately 1932 Mountains near Nelson, Nevada: photographic print, approximately 1932 Diversion and inlet tunnels at Hoover Dam: photographic print, approximately 1932 to 1933 Load More