Born-Digital or AnalogAnalogTranscriptRob Roy coal mine. Erie district colorado Operating; shipments; rates. R. M. News. Apr. 12, 1877 p.4 c.l Resume work. R. M. News. Apr. 15, 1877 p.4 c.4 Description. R. M. News. Sept. 8,1875 p.4 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Rob Roy coal mine. Erie district colorado, [529174]. Denver Public Library Digital Collections, accessed 11/03/2026, https://digital.denverlibrary.org/nodes/view/1643009
