'Ouachita County, AR' definitions:

Ouachita -- U.S. County in Arkansas

From: Gazetteer 2000
Name :
Ouachita -- U.S. County in Arkansas
Population (2000) :
28790
Housing Units (2000) :
13450
Land area (2000) :
732.450361 sq. miles (1897.037646 sq. km)
Water area (2000) :
7.181958 sq. miles (18.601184 sq. km)
Total area (2000) :
739.632319 sq. miles (1915.638830 sq. km)
Located within :
Arkansas (AR), FIPS 05
Location :
33.574007 N, 92.861447 W