St. Clair County, Missouri (Fanning's, 1853)
Gazetteer/Almanac
SAINT CLAIR COUNTY, situated toward the southwest part of Missouri, and traversed by Osage river. Area, 820 square miles. Seat of justice, Osceola. Pop. in 1850, 3,556.
Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 318.