Archival objects in this container: Old mining town of Oatman, Arizona, approximately 15 miles from Kingman, Arizona: photographic print, 1931 Gypsum cave near dam site: photographic print and negative, approximately 1931 to 1932 Moapa Valley meeting for the buyout of St. Thomas, Nevada townsite: photographic print and negative, approximately 1931 to 1932 Wilbur Mills signing part of contract for St. Thomas, Nevada townsite: photographic print and negative, approximately 1931 to 1932 Movie crew filming near Tonopah Road, actor John Boles furthest male on right: photographic print, approximately 1931 Movie crew taking lunch break, actor John Boles seated at table with pick on his shoulder: photographic print, 1931 Three miners on Tonopah Road near Pioche, Nevada: photographic print, approximately 1931 to 1939 Ray Lyman Wilbur driving silver spike into railroad at Boulder Junction: photographic print and negative, 1930 Foothills of Sheep Mountains with miners next to salted mine: photographic print, 1931 Norma Ullom in the Valley of Fire, Nevada: photographic print, approximately 1930 to 1939 Trucks ready to haul material out of canyon to fill cofferdam: photographic print, approximately 1931 to 1933 Jumbo rig with 30-40 jackhammers to make holes for blasting: photographic print and negative, approximately 1931 to 1933 First operation of jumbo rig with drills: photographic print, approximately 1931 to 1933 Power shovel "Earth mover" run by cable: photographic print and negative, approximately 1931 to 1933 Power shovel built by R.G. LeTourneau unloaded from railroad car: photographic print and negative, approximately 1931 to 1933 Broken cable on power shovel: photographic print, 1931 Air compressor used on road: photographic print, approximately 1931 to 1934 Air compressor on Nevada side of Colorado River: photographic print, approximately 1931 to 1934 Cement mixer at dam site: photographic print, approximately 1931 to 1934 Road to squatter's camp, Ragtown, Nevada near Colorado River: photographic print and negative, approximately 1931 to 1934 Burnt squatter's camp, Ragtown, Nevada: photographic print and negative, 1931 Burnt cars and beds in squatter's camp, Ragtown, Nevada: photographic print, 1931 Squatter's camp in Ragtown, Nevada: photographic print and negative, approximately 1931 to 1934 Fort Callville on left going upstream on river: photographic print, approximately 1931 to 1934 Fort Callville on the edge of river: photographic print and negative, approximately 1931