Detailed record of the smelting results obtained from the treatment of two lots, one of Iron Silver and one of Small Hopes zinc ores at the test works of the International Metallurgical Co., Denver, Colorado, A

Brace, Walter C.2017-09-202022-02-032017-09-202022-02-03https://hdl.handle.net/11124/171629Mine report no. 234."Submitted to Theodore E. Schwarz."Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Zinc ores -- Colorado -- Lake CountyMines and mineral resources -- Colorado -- Lake CountyDetailed record of the smelting results obtained from the treatment of two lots, one of Iron Silver and one of Small Hopes zinc ores at the test works of the International Metallurgical Co., Denver, Colorado, AText