What is "grantfork"

Population (2000): 254
Housing Units (2000): 103
Land area (2000): 0.228405 sq. miles (0.591567 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.228405 sq. miles (0.591567 sq. km)
FIPS code: 30978
Located within: Illinois (IL), FIPS 17
Location: 38.830427 N, 89.666212 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: