Archival objects in this container: Boulder Dam under construction: photographic print, approximately 1930 to 1942 A-1 unit in Arizona wing of Boulder Dam powerhouse. Started producing power minus finish work of any kind (photo by Bill Russell, United States Bureau of Reclamation photographer – from cab of upstream crane – 300 ton.): photographic print, 1941 A-1 unit in Arizona wing of Boulder Dam powerhouse: photographic print, 1941 Discharge of water from outlet works, Boulder Dam: photographic print, approximately 1930 to 1942 Turbine and generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Turbine and generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Turbine assembly, interior of powerhouse at Boulder Dam: photographic print, approximately 1930 to 1942 Generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Interior of powerhouse – Boulder Dam – generator assembly: photographic print, approximately 1930 to 1942 Turbine and generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Turbine and generator assembly, interior of powerhouse – Boulder Dam: photographic print, approximately 1930 to 1942 Interior of powerhouse – Boulder Dam – generator and turbine assembly: photographic print, approximately 1930 to 1942 Generator assembly – powerhouse at Boulder Dam: photographic print, approximately 1930 to 1942 Assembling a generator – Boulder Dam: photographic print, approximately 1930 to 1942 Generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Worker assembling a generator at Boulder Dam: photographic print, approximately 1930 to 1942 Turbine and generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Workers assembling a generator in powerhouse at Boulder Dam: photographic print, approximately 1930 to 1942 Turbine and generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Worker poses in front of partially assembled generator – Boulder Dam: photographic print, approximately 1930 to 1942 Turbine and generator assembly – Boulder Dam: photographic print, approximately 1930 to 1942 Load More