Morris, Richard Bennett2019-12-112022-02-032019-12-112022-02-03https://hdl.handle.net/11124/173778Donor: Colorado Mining Association.Photographed by Richard Bennett Morris.A man wearing a jacket and hat feeds material from a scoop into a small hopper; caption reads: "601."7 x 5 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Mineral processing -- Machinery and equipmentStillImage