Colorado. Legislation. Mining Act compelling assessment work, patent mine; requirements,1872 R. M.N ews. Mar. 28,1876 p.4 c.2 Provisions of bill passed, congress claim requirements; patent. 30,1876 p.1 c.3 Provisions; -list. R.M.News. Bov. 4,1876 p.4 c.6 Supreme court decision, what a patent conveys. 1878 Tunnel rights law quoted. R.U.News.Sept. 12, 1883 p.2 c.3 Decision on mine locations and titles by Supreme court RX.News. Sept. 4, 1884 p.6 e.2 0
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