2019-10-302022-02-032019-10-302022-02-03https://hdl.handle.net/11124/173308Donor: Colorado Mining Association.Leadville flotation mill, showing utility poles with electric wires in the foreground. There are two parked vehicles and two men standing outside on the property, June, 1930.6 1/2 x 4 1/2 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.FlotationMineral industries -- Colorado -- LeadvilleMineral industries -- Colorado -- Lake CountyStillImage