Mines and mineral resources. Colorzdo Demand for laborers; wages; companies; list. R.M. News. June 29, 1864 p.2 c.2 Article, "Improvements in Gold Mining". R.M. News. July 1, 1864 p.2 c.2 Article, Mining titles"; law. 19, 1864 p.2 c.1 R.M. News. .M. News. July 23, 1864 p.2 c.2 Mining shocks; list. R Mining titles; danger of congressional interferance. R.M. News. July 27, 1864 p.2 c.3 Gold stocks; list. R.M. News. July 30, 1864 p.2 c.2
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