Bancroft, George J.2018-11-072022-02-032018-11-072022-02-03https://hdl.handle.net/11124/172732Mine report no. 1205.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- La Plata CountyGeology -- Colorado -- La Plata CountyOres -- Colorado -- La Plata CountyDurango Girl Mine (Colo.)Text