Randell, B. F.2017-08-282022-02-032017-08-282022-02-03https://hdl.handle.net/11124/171521Mine report no. 161.Includes map."Report furnished by Courtesy of H.E. Crippen."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 CountyGrange Mine (Colo.)Gold Hill Mining District (Colo.)Text