2018-02-062022-02-032018-02-062022-02-03https://hdl.handle.net/11124/172089Mine report no. 771.Typescript (carbon copy).The mine was located in Georgetown, Clear Creek County, Colorado.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Clear Creek CountyGriffith Mine (Colo.)Text