2020-10-072022-02-032020-10-072022-02-03https://hdl.handle.net/11124/175215Caption reads: "Black Iron funicular train and Champion mine 2-21-1916."Donor: Friends of Mineralogy, Colorado Chapter.Black Iron funicular train tracks on a snowy slope, with the Champion mine in the background.5 1/2 x 3 1/2 inchesblack-and-white photographsUnderground mining -- ColoradoOre handling and transportationMaterials ropewaysZinc mines and mining -- ColoradoStillImage