Born-Digital or AnalogAnalogTranscriptBerthoud Pass. Colorado. Mountain passes. History, description, discovery by Captain E.L.Berthoud, 1861.. R.U.News.Aug.30,1874 p.2 c.2 Wagon road over pass under construction. R.R.News.July 14,1874 p.4 c.4 Briefly described. 1870 p.2 c.2 Much traveled at present. P.`^'.Nevrs. Aug. 9,1885 p.1 c.1 isCollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
