Fanning's Illustrated Gazetteer of the United States... (New York: Phelps, Fanning & Co., 1853), 73.
CHARLES COUNTY, situated in the southwest part of Maryland, on the northeat side of Potomac river. Area, 450 square miles. Face of the country hilly; soil generally of fair quality, but some parts sandy. Seat of justice, Port Tobacco. Pop. in 1820, 16,500; in 1830, 17,666; in 1840, 16,023; in 1850, 16,162.