What is "tonka bay"

Population (2000): 1547
Housing Units (2000): 651
Land area (2000): 0.953786 sq. miles (2.470293 sq. km)
Water area (2000): 0.022744 sq. miles (0.058906 sq. km)
Total area (2000): 0.976530 sq. miles (2.529199 sq. km)
FIPS code: 65164
Located within: Minnesota (MN), FIPS 27
Location: 44.917512 N, 93.586245 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: