Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 327.
SCHUYLKILL COUNTY, situated in the easterly part of Pennsylvania, and traversed by Schuylkill river. Area, 660 square miles. Face of the country, hilly and mountainous; soil, generally rocky and barren. Seat of justice, Orwigahurgh. Pop. in 1820, 11,339; in 1830, 20,744; in 1840, 29,053; in 1850, 60,713.