Born-Digital or AnalogAnalogTranscriptRailroads. Arizona Mineral Belt railroad Story of tunnel built in 1888. New Mexico Railroader v.6 #9 Sept. 1964 entire issue History. Arizona and the West v.12 #4 Winter 1970 P.339-54CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Railroads. Arizona Mineral Belt railroad, [505880]. Denver Public Library Digital Collections, accessed 15/01/2026, https://digital.denverlibrary.org/nodes/view/1771629
