2019-12-092022-02-032019-12-092022-02-03https://hdl.handle.net/11124/173717Donor: Colorado Mining Association.Joe and John mine buildings in the snow.Caption reads: "Joe and John Mine, U.S. Metals Corporation and Falk Metals Corporation."5 1/2 x 3 1/2 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Underground mining -- ColoradoMine buildings -- Colorado -- San Juan CountyJoe and John Mine (Colo.)StillImage