Gulch mining, Colorado Activities, lodes; companies; mills; gulches; list R.M News. May 13, 1861 p.2 c.1 rush, gulches; list. R.IC'.News. May 31, 1861 p.3 c.1 Working force; yield, gulches; list. R.M News. July,ll, 1861 p.3 c.1 Yield of gold, gulches; list. R.M.News. June 12, 1991 p.3 c.3
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