Boston & Colorado smelting works. Georgetown district colorado Copper matte shipments; value. R.M.News. Aug. 8, 1873 p.4 c.3 Receives ore from Champion lode. R.M.News: Aug. 4. 1881 p.5 c.1 Ore market; prices. , 1874 p.4 c.2 Assay value of fire purchased ending Nov. Ore shipments; purchases. 1883 Agent receives orders to not buy ore. 1884 p,3 eg
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