Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 386.
WESTMORELAND COUNTY, situated in the southwest part of Pennsylvania, with Kiskiminitas river on the northeast, the Alleghany on the northwest, and traversed by the Youghiogheny. Area, 1,050 square miles. Face of the country, hilly; soil, generally productive. Seat of justice, Greensburgh. Pop. in 1810, 26,392; in 1820, 30,540; in 1830, 38,400; in 1840, 42,699; in 1850, 51,726.