USDI, NPS, Office of Archeo. & Hist. Preser., Washington, DC No description specified. 1-3 (3 Records) Documents Preliminary Plan for Historic Preservation in South Dakota - 1971 (1971) Report of Field Work Conducted Under Antiquities Act Permit No 76-WY-037 (1977) Using the UTM Grid System To Record Historic Sites, Advance Edition (1977)