Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 40.
BENTON COUNTY, situated toward the westerly part of Missouri, and traversed by Osage river. Area, 1,050 square miles. Face of the country generally uneven, and the soil fertile. Seat of justice, Warsaw. Pop. in 1836, 1,512; in 1840, 4,205; in 1850, 5,015.