Colorado. Legislation. Mining State constitution; art. 16, office, core. of mines. R. M. News. Mar. 18, 1876 p.4 c.3 Law, filing claims. R. M. News. Thar. 23, 1881 p.3 c.4 Requirements for placer mining. R.A.News. Mar. 19,18'15 p.4 c.2 Mining law. R.Aews. *pr. 3,1875 p.4 c.5 Provisions of Territorial act re-locating claims seeking patents, 1874. R. M. News. July 4,1875 p.4 c.2 Tunnel act, 1872. 1875 p.4 c.7 0
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