What is "prior lake"

Population (2000): 15917
Housing Units (2000): 5791
Land area (2000): 13.507471 sq. miles (34.984188 sq. km)
Water area (2000): 2.532127 sq. miles (6.558178 sq. km)
Total area (2000): 16.039598 sq. miles (41.542366 sq. km)
FIPS code: 52594
Located within: Minnesota (MN), FIPS 27
Location: 44.726962 N, 93.429729 W
ZIP Codes (1990): 55372
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: