Caldon, J. D.2017-04-072022-02-032017-04-072022-02-03https://hdl.handle.net/11124/170804Mine report no. 1065."Denver, Colorado, Nov. 20th, 1917"--cover page.Typescript.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Golden Sun Tunnel & Mining CompanyMines and mineral resources -- Colorado -- Gilpin CountyGeology -- Colorado -- Gilpin CountyPine Mining District (Colo.)Text