Bancroft, George J.2018-11-072022-02-032018-11-072022-02-03https://hdl.handle.net/11124/172717Mine report no. 1225.Includes maps.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Placer deposits -- Colorado -- Lake CountyMining claims -- Colorado -- Lake CountyOre deposits -- Colorado -- Lake CountyPorphyry -- Colorado -- Lake CountyLime -- Colorado -- Lake CountyText