What is "mountain city"

Population (2000): 829
Housing Units (2000): 462
Land area (2000): 1.786270 sq. miles (4.626419 sq. km)
Water area (2000): 0.005125 sq. miles (0.013273 sq. km)
Total area (2000): 1.791395 sq. miles (4.639692 sq. km)
FIPS code: 53116
Located within: Georgia (GA), FIPS 13
Location: 34.917466 N, 83.384877 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:

Population (2000): 2383
Housing Units (2000): 1250
Land area (2000): 3.306064 sq. miles (8.562665 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 3.306064 sq. miles (8.562665 sq. km)
FIPS code: 50400
Located within: Tennessee (TN), FIPS 47
Location: 36.468444 N, 81.803856 W
ZIP Codes (1990): 37683
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:

Population (2000): 671
Housing Units (2000): 218
Land area (2000): 0.461148 sq. miles (1.194367 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.461148 sq. miles (1.194367 sq. km)
FIPS code: 49600
Located within: Texas (TX), FIPS 48
Location: 30.039930 N, 97.890970 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: