What is "lead hill"

Population (2000): 287
Housing Units (2000): 144
Land area (2000): 0.474203 sq. miles (1.228181 sq. km)
Water area (2000): 0.065830 sq. miles (0.170498 sq. km)
Total area (2000): 0.540033 sq. miles (1.398679 sq. km)
FIPS code: 39040
Located within: Arkansas (AR), FIPS 05
Location: 36.414815 N, 92.906907 W
ZIP Codes (1990): 72644
Note: some ZIP codes may be omitted esp. for suburbs.
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