Colorado, Wyoming, and Montana, 1961

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Report created 25 October 1961. Report contains materials related to Gazin's summer field work with Franklin L. Pearce in Eocene and Oligocene formations in Colorado, Wyoming, and Montana, 1961. Includes letters (18 and 25 October 1961) regarding Gazin's trip; expense list; list of the 36 specimens (many mammals) collected from 26 July to 25 August 1957; one page summary report of the collecting activities and collections. Localities include Washakie Basin, Rock Springs, Corral Bluffs, Beaverhead County, and other localities.

Date Range


Start Date

Oct 25, 1961

End Date

Oct 25, 1961

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at


  • Mammalogy
  • Paleontology


  • Montana
  • Beaverhead
  • United States
  • Wyoming
  • Colorado
  • Corral Bluffs


  • Fieldbook record
  • Field notes
  • Reports
  • Correspondence

Accession #

SIA RU007314

Collection name

Charles Lewis Gazin Papers, 1901-1984 and undated

Physical Description

1 folder

Physical Location

Smithsonian Institution Archives


Box 19 Folder 18