Beckstrom, E. L.2017-09-012022-02-032017-09-012022-02-03https://hdl.handle.net/11124/171582Mine report no. 209.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Boulder CountyMining claims -- Colorado -- Boulder CountyGeology -- Colorado -- Boulder CountyWhite Raven Mine (Colo.)Ward Mining District (Colo.)Text