Born-Digital or AnalogAnalogTranscriptBoulder Valley coal company Litigation; wages, Erie district colorado R. M. News. Nov. 18, 1877 p.4 c.1 Number of men employed at mine; Joe Bates,Erie dist. Colo. R. M. News. Dec. 1, 1877 p.4 c.2 Litigation withdrawn, Erie dist., Colo. R. M. News. Dec. 7, 1877 p.4 c.5 New management; improvements, Erie dist., Colo. R. M. News. Dec. 13, 1877 p.4 c.2 New strike in mine, Erie dist., Colo. R. M. News. Feb. 22, 1881 p.8 c.6s 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Boulder Valley coal company, [33181]. Denver Public Library Digital Collections, accessed 16/03/2026, https://digital.denverlibrary.org/nodes/view/1191848
