mines mineral resources colorado Silver Cliff district History of development; claims and mines. PO IWAIVA R. M. News. July 15, 1879. p.3 c.1 Map, mineral district. R. I:^. News. July 15, 1879. p.4 c.1 Silver production; mines, list. R. M. News. July 17, 1879. p.3 c.1 Ore; list of mines. R. M. News. July 18, 1879. p.3 c.1 Mines & mining items. R. 14 q. News. July 30, 1879. p.2 c.1
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