Mines and mineral resources, Colorado. Blue River region. Activities, claims; gulches; prospecting; nuggets. R.M. News. Mar. 7, 1861 p.2 c.2 Development, silver lodes; history; districts organized bogus lodes. R.M. News. Mar. 19, 1861 p.2 c.2 Prospecting; history; gulches; list. R.M. News. Apr. 4, 1861 p.2 c.3 Gold yield increased; development of gulches. R.M. News. Apr. 30, 1861 p.2 c.2 Price for gold dust recommended, citizens meeting. R.M. News. May 4, 1861 p.2 c.4
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