Born-Digital or AnalogAnalogTranscriptCoal Jefferson county. Colorado Union Pacific r. r co. establishes yard for welch coal. from Louisville. railroad R. M. News. Sept. 1,1883 p. 3 c. 2 Coal mining mentioned, Golden districtCollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Coal Jefferson county. Colorado, [181438]. Denver Public Library Digital Collections, accessed 20/05/2026, https://digital.denverlibrary.org/nodes/view/1525629
