Cockrell, R., & United States. National Park Service. Midwest Region. Division of Cultural Resources Management. (1986). Bones of Agate: An administrative history of Agate Fossil Beds National Monument, Nebraska. Midwest Regional Office, Office of Planning Resource Preservation, Division of Cultural Resources Management, National Park Service, U.S. Dept. of the Interior.
Chicago Style (17th ed.) CitationCockrell, Ron., and United States. National Park Service. Midwest Region. Division of Cultural Resources Management. Bones of Agate: An Administrative History of Agate Fossil Beds National Monument, Nebraska. Omaha, Neb.: Midwest Regional Office, Office of Planning Resource Preservation, Division of Cultural Resources Management, National Park Service, U.S. Dept. of the Interior, 1986.
MLA (8th ed.) CitationCockrell, Ron., and United States. National Park Service. Midwest Region. Division of Cultural Resources Management. Bones of Agate: An Administrative History of Agate Fossil Beds National Monument, Nebraska. Midwest Regional Office, Office of Planning Resource Preservation, Division of Cultural Resources Management, National Park Service, U.S. Dept. of the Interior, 1986.