Collins, George E.2018-10-292022-02-032018-10-292022-02-03https://hdl.handle.net/11124/172633Mine report no. 1109.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Gilpin CountyMining claims -- Colorado -- Gilpin CountyOres -- Colorado -- Gilpin CountyOre-dressing -- Colorado -- Gilpin CountyText