'Ontonagon County, MI' definitions:

Ontonagon -- U.S. County in Michigan

From: Gazetteer 2000
Name :
Ontonagon -- U.S. County in Michigan
Population (2000) :
7818
Housing Units (2000) :
5404
Land area (2000) :
1311.534820 sq. miles (3396.859446 sq. km)
Water area (2000) :
2429.916436 sq. miles (6293.454409 sq. km)
Total area (2000) :
3741.451256 sq. miles (9690.313855 sq. km)
Located within :
Michigan (MI), FIPS 26
Location :
46.679399 N, 89.284287 W