Mines and mineral resources. Colorado. Idaho Springs district Assays; mill returns; mills; mines; list. R.M.News.Apr.22 JE&3 p.7 c.1 Description; mines, list. R.M. ^e.vs.Apr.2r,,lb83 p.2 c.1 Transfers; mill; mines; list. RJI News.Apr.'35,1883 p.3 c.1 Activities, mill run; mines; list. R.M.'dews.Apr.28,1 83 p..3 c.1 Mine list., R."..L\Tews.May 3,1883 p.3 c.4 Mill; company; list. R.1,1;News.May 10,1883 p.3 c .1
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