Mines and mineral resources. Colorado Bill., act to incorporate Girard G.M. co. of PhilAdelphia R.M. News. Dec. 31, 1866 p.2 c.2 Certificates filed, Secy. of State; list. R.M. News. July 7, 1886 p.3 c.l R.M. News. July 15, 1886 p.2 c.4 Ranks first as largest producer in metals. R.M. News. Aug. 9, 1886 p.1 c.l Valuable marble quarries discovered, Gov. Routt's property. R.M. News. Sept.14, 1886 p.2 c.2 What constitutes mineral lands, topic in Congress. R.M. News. Sept.16, 1886 p.3 c.3
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