What is "tennessee ridge"

Population (2000): 1334
Housing Units (2000): 573
Land area (2000): 3.702908 sq. miles (9.590486 sq. km)
Water area (2000): 0.007376 sq. miles (0.019104 sq. km)
Total area (2000): 3.710284 sq. miles (9.609590 sq. km)
FIPS code: 73460
Located within: Tennessee (TN), FIPS 47
Location: 36.320797 N, 87.763012 W
ZIP Codes (1990): 37178
Note: some ZIP codes may be omitted esp. for suburbs.
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