Black Hawk.-Colorado. Business. Manufacturing J.J.Schlaivige brewery. R.M.News.July 14,1876 p.4 c.3 Black Hawk foundry mentioned. RX News.Apr. 18, 1896 p.1 c.3 Fire-brick, Lyon smelter; method described.. R.U News.Nov. 33, 18% p.P,,c.1 Sample of fire-brick made for Lyon's furnaces. R.Y.News.Nov. 24, 1865 p.4 0
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