2019-12-062022-02-032019-12-062022-02-03https://hdl.handle.net/11124/173608Donor: Colorado Mining Association.A truck dumping ore, Commodore mine.7 x 5 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Underground mining -- ColoradoOre handling and transportation -- ColoradoSilver mines and mining -- Colorado -- Mineral CountyLead mines and mining -- Colorado -- Mineral CountyCommodore Mine (Colo.)StillImage