Mines & mineral resources, Colorado. Clear Creek county. JAMN gig" Centennial association. organizes; purpose. R. M. News. July 22, 1875 p.4 c.2 Sluice mining, Spanish Bar district R. M. News. July 23, 1875 p.4 c.3 Fast Roe sales by Stock board, Denver. R. M. News. Sept. 5, 1875 p.4 c.2 Shipments, bullion & ore. R. M. News. Sept. 14,1875 p.4 c.2 Treatment of low grade ores, Georgetown. R. 11. News. Sept. 18,1875 p.4 c.3