What is "caddo valley"

Population (2000): 563
Housing Units (2000): 274
Land area (2000): 2.953113 sq. miles (7.648526 sq. km)
Water area (2000): 0.014368 sq. miles (0.037213 sq. km)
Total area (2000): 2.967481 sq. miles (7.685739 sq. km)
FIPS code: 10360
Located within: Arkansas (AR), FIPS 05
Location: 34.199478 N, 93.077012 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: