Born-Digital or AnalogAnalogTranscriptRalston coal mine. COLORADO Coal sold in Denver. R. M. News. Jan. 27, 1876 p.3 c.4 Production. R. M. News. Dec. 29,1875 p.2 c.3 width of coal vein. R.M,News.Jan.26,1878 p.4 c.5CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
