Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado Proposed introduction of Chinese labor, richness of placer mines. ,1872 p.2 c.2 Method of gold extraction. 1872 p.3 c.4 History, , diamond fraud: African diamonds salted. R.M.News.Dec.4,1872 p.4 c.2 Diamaonds. R.Ii.News.Dec.11,1872 p.4 c.1 Legislation, silver bill. R.M.News.Jan.1,1879CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado, [421870]. Denver Public Library Digital Collections, accessed 18/02/2026, https://digital.denverlibrary.org/nodes/view/1796253
