Born-Digital or AnalogAnalogTranscriptOphir company Production, Clear Creek county, Colorado. R.M. News.Mar.18,1868 p.1 c.3 Production, Colo. Activities, Burroughs claim, Gilpin co.c 2 R.M.News.Mar.27,1868 p.4 c.4 Shut down (#Q Bobtail), Gilpin county, Colo. R.M.News.Nov.13,1869 p.1 c.2 Activities, claim on Kansas lode, Central City dist. R.M.News.Jan.21,1870 p.4 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
