Born-Digital or AnalogAnalogTranscriptBoulder valley coal company Supplies railroad; output, Colorado., 1875. activities; wages; coal price, Colo. R. M. News. Feb. 2, 1876 p.4 c.5 E. J. Binford, agent, adv. coal, Denver. .1881 p.17 c.4 New strike; superior quality, Boulder co., Colo. R. M. News. Mar. 1, 1881 p.4 c.4 History; property description, Erie, Colorado. 1871 p.4 c.2 Erie coal strikers examined at Greeley, Colorado. R. M. News. liar. 1, 1871 p.4 c.2 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Boulder valley coal company, [33136]. Denver Public Library Digital Collections, accessed 10/03/2026, https://digital.denverlibrary.org/nodes/view/1191802
