Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado Activities, lodes, mills, companies, list; transfers; assays; mineralogy. R.M.News. Apr. 30, 1881 p.3 c.3 Activities in Loveland, Longmont and Boulder districts. R.M.News. Apr. 30, 1881 p.4 c.3 Activities of mines, mills and companies in districts list; mineralogy; assays; placers. R.Y.News. Yay 1, 1881 p.6 c.3 Activities, mines and mills, list, production increasing. R.M.News. May 3, 1881 p.3 c.3 Activities, mines and mills in districts named. R.Y.Njws. May 3, 1881 p.4 c.4CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado, [423226]. Denver Public Library Digital Collections, accessed 14/03/2026, https://digital.denverlibrary.org/nodes/view/1799093
