Born-Digital or AnalogAnalogTranscriptJackson coal company Operates coal mine at Canfield, Colorado. R. M. News. Oct. 15, 1880 p.8 c.2 OP kith., inc. to operate, Boulder co., Colo. R. 111. Views. Mar. 18, 1881 p.7 c.3 Incorporates to operate, Boulder co. Colo. ]UP., . Mhr.. 19, 1981 p.R c.4CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
