Born-Digital or AnalogAnalogTranscriptBerthoud, Edward Louis Biography. Shortest overland the South Platte Berthoud (1862). Photo, some biog. Roundup Denver Westerners v.21 #9- 30 S-0 1965 entire issue route to California. is through Denver via and Berthoud Pass -- route surveyed by Colorado. Prospector Mr 1983 p.5 information. Colo. Prospector Mr 1983 p.4CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng