Ritter, Etienne A. (Etienne Alphonse)2019-02-122022-02-032019-02-122022-02-03https://hdl.handle.net/11124/172874Mine report no. 1316.Includes maps.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Park CountyMining claims -- Colorado -- Park CountyStrip mining -- Colorado -- Park CountyOres -- Colorado -- Park CountyGeology -- Colorado -- Park CountyAssaying -- Colorado -- Park CountyOres -- Sampling and estimationOre-dressing -- Colorado -- Park CountyAlma Mining District (Colo.)Text