Morris, Richard Bennett2019-12-112022-02-032019-12-112022-02-03https://hdl.handle.net/11124/173749Donor: Colorado Mining Association.Photographed by Richard Bennett Morris.A man, inside a building, holds up and looks at a sample from testing.Caption reads: "603."5 x 7 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Laboratory equipmentViews -- InteriorTestingSampling -- Colorado -- San Juan CountyStillImage