WordNet (r) 3.0 (2006):

Pine Bluff
    n 1: a town in southeast central Arkansas on the Arkansas River

U.S. Gazetteer Places (2000):

Pine Bluff, AR -- U.S. city in Arkansas
   Population (2000):    55085
   Housing Units (2000): 22484
   Land area (2000):     45.614396 sq. miles (118.140738 sq. km)
   Water area (2000):    1.237559 sq. miles (3.205264 sq. km)
   Total area (2000):    46.851955 sq. miles (121.346002 sq. km)
   FIPS code:            55310
   Located within:       Arkansas (AR), FIPS 05
   Location:             34.216648 N, 92.023114 W
   ZIP Codes (1990):     71603
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pine Bluff, AR
    Pine Bluff