Copy of report of Mr. John H. Marks made on the Gem Consolidated Mines given to Mr. W. E. Renshaw: September 16, 1933

Marks, John H. (John Henry)2018-07-242022-02-032018-07-242022-02-03https://hdl.handle.net/11124/172451Mine report no. 986.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Clear Creek CountyOres -- Colorado -- Clear Creek CountyIdaho Springs Mining District (Colo.)Copy of report of Mr. John H. Marks made on the Gem Consolidated Mines given to Mr. W. E. Renshaw: September 16, 1933Text