The collection consists of Wyoming State Game Warden and first manager of the National Elk Refuge D.C. Nowlin's correspondence, books, memorabilia, and an obituary.

The Wyoming Game and Fish Commission, created in 1921, and later the Wyomign Game and Fish Department, created in 1973, been tasked with management of the wildlife and game populations within the state. Records include correspondence, Commission minutes, project and planning files, reports, and other records created by the department and commission.