Patrick, W. B.2017-11-142022-02-032017-11-142022-02-03https://hdl.handle.net/11124/171859Mine report no. 447.Includes illustrations, map."Report furnished by Associated Metal Mines Corp."Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Boulder CountyMining claims -- Colorado -- Boulder CountyGeology -- Colorado -- Boulder CountyJohn Jay Mine (Colo.)Central Mining District (Colo.)Text