Mines and mineral resources. Colorado Otock in N.Y.new york co's list; activities, mines & co's; list., R^Monews. Oct.29,1881 p.3 c.3 Discussion, mining exposition. R.M.News. Oct.29,1881 p.5 e.1 Activities, mines & dists; list. Crocker process ore reduetiiNco. incorporates; pp pur- poses; list. R.M.News. Nov.1,1881 p.4 c.5 Dr. Birdsall owns silver steel ore. R.M.News. Nov.1,1881 p.5 c.1 Production, dists; list, caused by railroad. R.M.News. Nov.2,1881 p.4 c.4
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