Born-Digital or AnalogAnalogTranscript0978.805 Coal mines and mining colorado D437co Denver Society of Civil Engineers Colorado's coal mines; including fold. Paging panorama of Crested Butte coal region. 65-82 (In its Colorado, sore answers to questions... 1886) Same aaterial may be found in other copy of this book: 06247.6 D437trc 9CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Coal mines and mining. Colorado, [181508]. Denver Public Library Digital Collections, accessed 24/05/2025, https://digital.denverlibrary.org/nodes/view/1525705
