Spencer, Beverly2019-12-132022-02-032019-12-132022-02-03https://hdl.handle.net/11124/173935Donor: Colorado Mining Association.Photographed by Beverly Spencer.A mine property and dump sits on a snowy slope with mountains in the background.10 x 7 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Underground miningMine buildingsStillImage