Born-Digital or AnalogAnalogTranscriptEmerald mine. Central City district colorado Proposed development; pay ore. R. M. News. Mar. 24, 1881 p.2 c.3 Production. R. M. News. May 4, 1883 p.3 c.2 Production, Hughesville. R. M. News. Aug. 13, 1884 p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Emerald mine. Central City district colorado, [237497]. Denver Public Library Digital Collections, accessed 17/01/2026, https://digital.denverlibrary.org/nodes/view/1496561
