Born-Digital or AnalogAnalogTranscriptRoads. Colorado. Peak to Peak Highway Frederick G. Bonfils makes road possible. Post N 5, 1930 p.14 Road is included in plan. Post 0 17, 1938 p.4 Opened from Blackhawk through Forks of Creek. Central City Register-Call Je 30, 1939 p.l c.6CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Roads. Colorado. Peak to Peak Highway, [525737]. Denver Public Library Digital Collections, accessed 09/11/2025, https://digital.denverlibrary.org/nodes/view/1632150
