2018-10-252022-02-032018-10-252022-02-03https://hdl.handle.net/11124/172593Mine report no. 1053."The owner is Geo. J. Bancroft."Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Fremont CountyMica -- Colorado -- Fremont CountyText