Collins, Arthur L.2020-05-072022-02-032020-05-072022-02-03https://hdl.handle.net/11124/174093Mine report no. 1488.Includes map.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Summit CountyMining claims -- Colorado -- Summit CountyVeins (Geology) -- Colorado -- Summit CountyOres -- Colorado -- Summit CountySilver ores -- Colorado -- Summit CountyGeology -- Colorado -- Summit CountyAssaying -- Colorado -- Summit CountyPeru Mining District (Colo.)Decatur Mine (Colo.)Text