Born-Digital or AnalogAnalogTranscriptAmboy lode. Georgetown district, Colorado Patent. R.M.News. Nov. 4, 1882 p.4 0.4 Development, Great gulch. R.M.News.Feb.13;1878 p.4 c.4 _Near Grant tunnel y 10,1881p.3 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
