Schwarz, Theodore E.2017-09-262022-02-032017-09-262022-02-03https://hdl.handle.net/11124/171685Mine report no. 308."Report furnished by Denver Public Library."Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Colorado Diamond Tunnel Silver Mining CompanyMines and mineral resources -- Colorado -- Clear Creek CountyMining claims -- Colorado -- Clear Creek CountyReport on the property of the Colorado Diamond Tunnel Silver Mining Co., Clear Creek CountyText