MINES AND MINERAL RESOURCES, COLORADO LEADVILLE DISTRICT List of mines;descrintion;tonnage; ^ R.M.News.Jan.1,1879. p.6 c.1 Character of formations indicate ore-beds. R."R. News. Tan.1,1879 n.3 c.6 Profitable silver mines,1859-1861;immigration, 1878. R.r%News.Jan.1,1879. p.6 c.1 Leads in value of ore;bullion extractions, R.M.News.Tan.111879. n_ .2 c.5 Smelting & sampling works. RX.News.Jan.1,1879. n.6 c.1 Morrison's mining digest contains information mining laws.R.M.News..Tan.7,1879. p.4 c.7
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