What is "oak grove heights"

Population (2000): 727
Housing Units (2000): 282
Land area (2000): 3.042245 sq. miles (7.879379 sq. km)
Water area (2000): 0.005676 sq. miles (0.014702 sq. km)
Total area (2000): 3.047921 sq. miles (7.894081 sq. km)
FIPS code: 51060
Located within: Arkansas (AR), FIPS 05
Location: 36.127406 N, 90.515286 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: