2019-11-082022-02-032019-11-082022-02-03https://hdl.handle.net/11124/173399Donor: Colorado Mining Association.Urad mill in the snow on the hillside, with mountains in background.Caption reads: "Urad Mill, Empire. 12/13/44."8 x 10 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Molybdenum ore processing plants -- ColoradoMills and mill-work -- Colorado -- Clear Creek CountyMolybdenum mines and mining -- Colorado -- Clear Creek CountyStillImage