Born-Digital or AnalogAnalogTranscriptDenver rainbow mining company Incorporates to operate, Chaffee county. R. M. News. Oct. 21, 1880 p.8 c.1 Files laws, Denver. R. M. News. Aug. 10,1881 p.8 c.6 Ore exhibit, Denver exposition, Taylors gulch district, Chaffee county, Colorado. R. M. News. Sept. 26, 1883 p.2 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
