Bullion smelting works. Idaho Springs district. Colorado Process described. 1883 p.3 c.2 Owner; shipments of matte: Mentioned. R. M. News. Bullion shipment. R. M. News. Matte Receives ore, mines; list. Matte shipments. Dec. I3, 1883 p.3 c.2 May 11, 1884-p.2 c.4 dune 5, 1884 p.3 e.1
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