Mason County, Illinois (Fanning's, 1853)
Gazetteer/Almanac
MASON COUNTY, situated in the central part of Illinois, with Illinois river on the northwest, and the Sangamon on the south. Area, square miles. Seat of justice, Bath. Pop. in 1850, 5,921.
Fanning's Illustrated Gazetteer of the United States... (New York: Phelps, Fanning & Co., 1853), 211.