Born-Digital or AnalogAnalogTranscriptPostal service. Colorado Independent Postal System of America opens Denver office at 100 W. Evans. RMN Jy 28, 1972 p.64 Independent Postal System of America opens business in Denver; also moving into Colorado Springs and Pueblo. Background. Post Jy 30, 19'72 p.69 Colorado mail service, 1859-1885. Colorado Magazine v.49 #3 Summer 1972 p.219-237 Neighborly mailman, Bud Hoffman, serves 80-mile area north of Colorado Springs. Post Empire Mr 26, 1973 P.32-33CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Postal service. Colorado, [496478]. Denver Public Library Digital Collections, accessed 14/08/2026, https://digital.denverlibrary.org/nodes/view/1577309
