Born-Digital or AnalogAnalogTranscriptC 978.805 Mines and mineral resources. Colorado. P194ro3 San Juan District Atchison, Topeka and Santa Fe railway company paging San Juan mining districts. 47-57 (In Pangborn, J.G. New Rocky mountain tourist. 3d. ed. 1878)CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado, [434182]. Denver Public Library Digital Collections, accessed 21/06/2025, https://digital.denverlibrary.org/nodes/view/1427236
