What is "bonne terre"

Population (2000): 4039
Housing Units (2000): 1685
Land area (2000): 4.039028 sq. miles (10.461035 sq. km)
Water area (2000): 0.066600 sq. miles (0.172493 sq. km)
Total area (2000): 4.105628 sq. miles (10.633528 sq. km)
FIPS code: 07102
Located within: Missouri (MO), FIPS 29
Location: 37.921635 N, 90.551763 W
ZIP Codes (1990): 63628
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: