2019-12-092022-02-032019-12-092022-02-03https://hdl.handle.net/11124/173698Donor: Colorado Mining Association.Interior of a room containing a balance, mortar and pestle, and chemistry glassware, with a sink and a washtub.7 1/2 x 3 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Laboratory equipment -- AssayingViews -- InteriorAssaying -- Colorado -- Park CountyStillImage