Born-Digital or AnalogAnalogTranscriptAmerican mine. Boulder county, Colorado Discovery; production, 1874. Hall. History. Colorado. v.3 p.308 Production, tellurium ore. R. M. haw$:Bup.Tuly 30,1882 p.4-c.6 Neikirk mill works fire. r R. M. News. Oct. 2(?, 1882 p.3 c.4 fare specimens, Centennial expos., Phila. R. M. News. Tune 7, 1876 p.4 c.3 Ores concentrated, assay. R: M. News. Dec. 29, 1882 p.3 c.1 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
American mine. Boulder county, Colorado, [41638]. Denver Public Library Digital Collections, accessed 07/02/2026, https://digital.denverlibrary.org/nodes/view/1200202
