Burns, James F.Harnan, John2017-09-282022-02-032017-09-282022-02-03https://hdl.handle.net/11124/171728Mine report no. 324."Inspector Mine Reports, State Bureau of Mines, State of Colorado."Reports submitted by James F. Burns, president, and John Harnan, general manager.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Portland Gold Mining CompanyGold mines and mining -- Colorado -- El Paso CountyMines and mineral resources -- Colorado -- El Paso CountyMining claims -- Colorado -- El Paso CountyCripple Creek Mining District (Colo.)Text