Two unidentified men with construction equipment inside the outlet works at Hoover Dam. Typed label on back of photograph: "Outlet works - Boulder Dam."
A group of people standing at Black Canyon, Nevada (Boulder City, NV), 1932. For additional information see image 0012 0141 (pho016167) ; image 0012 0142 (pho016168) and image 0012 0143 (pho016169) from Betty Ham Dokter Collection, Also see image 00182 0006 (pho025370) and 00182 0007 (pho025371) from Harmon Family Photograph Collection.