Dept. of Anthro., University of North Dakota No description specified. 1-2 (2 Records) Documents Archeological Investigations in the Knife River Flint Primary Source Area, Dunn County, North Dakota: 1984-1985 Site Testing Program (1985) Archeological Investigations in the Knife River Flint Primary Source Area, Dunn County, North Dakota: the Benz Site 32DU452 (1985)