Ingersoll, J. C.2019-04-012022-02-032019-04-012022-02-03https://hdl.handle.net/11124/172954Mine report no. 1398.Includes assay data.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- San Juan CountyMining claims -- Colorado -- San Juan CountyOres -- Colorado -- San Juan CountyGeology -- Colorado -- San Juan CountyAssaying -- Colorado -- San Juan CountySan Juan Mining District (Colo.)Grizly Mine (Colo.)Text