Johnson, George E. C.2023-02-012023-02-01http://hdl.handle.net/11124/16252Mine report no. 1680.Typescript (carbon copy).Letter of correspondence dated, 1917.Two full copies and one incomplete copy of report in folder.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- California -- Riverside CountyOres -- California -- Riverside CountyVeins (Geology) -- California -- Riverside CountyAssaying -- California -- Riverside CountyGold King Mine (Calif.)Text