Born-Digital or AnalogAnalogTranscriptPerkins tunnel (Clear Creek county) denver Times U 17, 1898 p.3 c.l Times J 22, 1698 p.2 c.3 Times 0 8, 1899 p.3 c.2 Times Ja 21, 1900 p.4 c.4 Times iu 23, 1900 p.13 c.3 `limes Ja 21, 1901 p.9 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Perkins tunnel (Clear Creek county), [481887]. Denver Public Library Digital Collections, accessed 14/11/2025, https://digital.denverlibrary.org/nodes/view/1408545
