Sayre, Robert H.2017-10-052022-02-032017-10-052022-02-03https://hdl.handle.net/11124/171777Mine report no. 363.By Berger and Sayre, mining engineers."Report furnished by George Robinson."Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Summit CountyMining claims -- Colorado -- Summit CountyGeology -- Colorado -- Summit CountyWarrior's Mark Mine (Colo.)Hicks-Detroit Mine (Colo.)McBarnes Mining District (Colo.)Minnesota Mining District (Colo.)Breckenridge Mining District (Colo.)Report to the Aco Mining Company on the Warrior's Mark, Seven-thirty, and Hicks-Detroit, Summit County, 1923Text