The Martha C. Knack and Omer C. Stewart Research Papers on the Pyramid Lake Paiute Tribe contains materials collected by Stewart and Knack as research for their 1984 book, As Long as the River Shall Run: An Ethnohistory of Pyramid Lake Indian Reservation. The collection focuses on the Pyramid Lake Paiute Reservation in Northeastern Nevada from 1845 to 1975 and include letters, journal articles, legal documents, government documents, treatises, and records. All materials are photocopies of documents that date between approximately 1845 to 1980.

The collection dates from 1920 to 2019 and is primarily comprised of business and organizational records, press, photographs, scrapbooks, audiovisual materials, awards, and ephemera documenting Mark L. Fine’s career as a real estate developer in Southern Nevada and his work with various government and community organizations. The bulk of the material dates from 1980 to 2005.