Welles, A. M. (Alonzo Merritt)2018-05-092022-02-032018-05-092022-02-03https://hdl.handle.net/11124/172257Mine report no. 862.Typescript (carbon copy).Information about several pieces of mining property owned by the Chicago and Colorado Mining Co.: The Irus Coy, Gage Sherman, Bismark, and Grand Pacific.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Boulder CountyMining claims -- Colorado -- Boulder CountyWard Mining District (Colo.)Text