2020-07-302022-02-212020-07-302022-02-21https://hdl.handle.net/11124/174796Interior of Colorado School of Mines Experimental Oredressing and Metallurgical Plant, showing possible milling or separating machinery.5 x 3 1/2 inchesblack-and-white photographsMineral processing plants -- ColoradoMineral processing -- Machinery and equipmentViews -- InteriorColorado School of Mines. Experimental MineStillImage