mines mineral resources colorado san juan region Ore & bullion production, 1875. R. M. News. Jan. 27, 1876 p.3 c.9 House bill passed, assay offices; salaries. R. $+I. News. Feb. 8, 1876 p.4 c.4 Prospects; machinery; routes; transportation to mines. R. h. News. Feb. 9, 1876 p.4 c.5 Publishers advertise history of gold & silver mines. R. M. News. Feb. 18, 1876 p.1 c.6 Jackson lode gold discovery; stamp mill; Saguache county mines. R. Pii. News. Feb. 26, 1876 p.4 c.4 Activities, mines, mineralogy; mills; list, Animas district. R. Rd. Newer par. 12, 1876 p.4 c.2
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