What is "jewell junction"

Population (2000): 1239
Housing Units (2000): 499
Land area (2000): 3.876022 sq. miles (10.038850 sq. km)
Water area (2000): 0.127053 sq. miles (0.329067 sq. km)
Total area (2000): 4.003075 sq. miles (10.367917 sq. km)
FIPS code: 39675
Located within: Iowa (IA), FIPS 19
Location: 42.307546 N, 93.641121 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: