Base source: USGS 1:100,000 county base map dated 1978.; "Projection and 10,000-meter grid ticks, zone 14: Universal Transverse Mercator. 25,000-foot grid based on North Dakota coordinate system, north zone."; Sept. 1979.; "5,P-37,547."; Includes location map. 50 x 63 centimeters 1:100,000