Report on the Sylvania Gold Mines Corporation, Gilpin County: for the year 1901

2017-09-252022-02-032017-09-252022-02-03https://hdl.handle.net/11124/171669Mine report no. 263."Mine Manager's Report, page 207, State Bureau of Mines, State of Colorado."Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Sylvania Gold Mines CorporationMines and mineral resources -- Colorado -- Gilpin CountyMining claims -- Colorado -- Gilpin CountyIllinois Central Mining District (Colo.)Report on the Sylvania Gold Mines Corporation, Gilpin County: for the year 1901Text