What is "shingletown"

Population (2000): 2222
Housing Units (2000): 1148
Land area (2000): 24.665502 sq. miles (63.883355 sq. km)
Water area (2000): 0.066442 sq. miles (0.172083 sq. km)
Total area (2000): 24.731944 sq. miles (64.055438 sq. km)
FIPS code: 71568
Located within: California (CA), FIPS 06
Location: 40.496033 N, 121.863657 W
ZIP Codes (1990): 96088
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: