Born-Digital or AnalogAnalogTranscriptBurlingame, Eugene E Casts gold spike for Colorado. central. r.r., Central City. R. M. NeAs. Sept. 24, 1870 p.4c.4. railroad Assays Silver King mine, Nigger Hill, Colorado. R. M. News. May 9, 1880 p. 3c.1. Assayer, Denver. R. M. News. Aug. 2, 1881 p.7c.6. Ores at the fair, Denver. R. R. News. 8ept. 21, 1871 p.3 c.1 Officer, Miners' and mechanics' institute, Colorado. R. h. News. Oct. f, 1870 p.4 c.2 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng