2019-12-122022-02-032019-12-122022-02-03https://hdl.handle.net/11124/173878Donor: Colorado Mining Association.Mine buildings, head frame, and trestle in the snow, with the snowy hillside in the background.7 x 5 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Underground mining -- ColoradoOre handling and transportationMine buildings -- Colorado -- Summit CountyHeadframes (Mining) -- Colorado -- Summit CountyTrestles -- Colorado -- Teller CountyStillImage