What is "melstone"

Population (2000): 136
Housing Units (2000): 87
Land area (2000): 0.684029 sq. miles (1.771627 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.684029 sq. miles (1.771627 sq. km)
FIPS code: 49000
Located within: Montana (MT), FIPS 30
Location: 46.599081 N, 107.869851 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: