What is "terril"

Population (2000): 404
Housing Units (2000): 186
Land area (2000): 0.545935 sq. miles (1.413964 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.545935 sq. miles (1.413964 sq. km)
FIPS code: 77520
Located within: Iowa (IA), FIPS 19
Location: 43.305473 N, 94.971433 W
ZIP Codes (1990): 51364
Note: some ZIP codes may be omitted esp. for suburbs.
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