A collection of papers discussing various aspects of Eagle County history. Materials are dated between 1921 - 1940.

A collection of scrapbooks, compiled by Angela Beck, about the closing of Eagle Mine, speculation surrounding the sale of the mine, and the demise of the company town of Gilman. Materials date from between 1977 - 2005.

A scrapbook that describes the various gravesites in the Burns-Dotsero area of Eagle County, Colorado. It was compiled by Mildred Toomer in 1989.

A collection of material related to the United States Ground Observer Corps gathered by Mary and Clarence Bell from 1956-1959.

A collection of photographs and news clipping documenting the construction of the new Eagle Post Office between 1985 - 1986.

A collection of photographs depicting the development of Edwards, Colorado and documents related to the construction of I-70. The materials were accumulated by Esther Klatt between about 1920 - 1985.

A cash book ledger used by Henry Baer for his shipping and logistics business in Eagle County, Colorado between 1894 - 1904.

A collection of magazines, booklets, and general information about the New Jersey Zinc Company, Gilman, and the Eagle Mine accumulated or created by John Brown between 1954-1950.

A collection of materials pertaining to the history of Eagle County schools, collected or created by Melissa (Larsen) Trezise during her time as a teacher or in retirement. Materials date from between 1912-2003. Materials include teacher employment records, school photos, and school yearbooks. There are also manuscripts written by Mrs. Trezise that discuss the history of schools in Eagle County including when they were founded and who worked at them.

A collection of postcards, valentine’s day cards, photographic prints, and a manuscript that was accumulated or created by the Shryack Family in Eagle County, Colorado. Materials are dated between around 1907-1965.