The records consist of subject files for the Buffalo Rapids Irrigation Project, the Fort Peck Dam, the Mid-Yellowstone Recovery Association, the Montana Reclamation Association, Frank L. Patterson, and development of the Yellowstone River Basin. The files, arranged chronologically, include correspondence, clippings, legal documents, maps, statistical and financial records, and printed publications. The records are those of Noel Carrico, Glendive, a contract negotiator for the project, and Frank L. Patterson, Terry, president of the Mid-Yellowstone Recovery Association. Prominent correspondents include Montana Senators Burton K. Wheeler and James E. Murray and Congressman James F. O'Connor.