Racine boy mine. Silver Cliff DISTRICT COLORADO Producing. R. M. News. Jan. 1; 1880. p.24 c.l Ore shipments. R. M. News. Jan. 22, 1880. p.5 c.l Mentioned. R. 14 '. News. Feb. 4, 1880. p . 7 c.1 Activities; ore treatment. R. M. News. Feb. 7,.1880. p.2 c.l Erecting tramway to mill. ` R. M. News. Mar. 10, 1880. p.2 c.2 R. M. News. Mar. 13,' 1880. p.8 c.2 Activities. R. M. News. Mar. 20, 1880. p.6 c.1 Mining methods. R. Y. News. Mar. 30, 1880. p.6 c.l
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