'Frontier County' definitions:
Frontier -- U.S. County in Nebraska
From: Gazetteer 2000
Name :
Frontier -- U.S. County in Nebraska
Population (2000) :
3099
Housing Units (2000) :
1543
Land area (2000) :
974.549525 sq. miles (2524.071575 sq. km)
Water area (2000) :
5.511605 sq. miles (14.274992 sq. km)
Total area (2000) :
980.061130 sq. miles (2538.346567 sq. km)
Located within :
Nebraska (NE), FIPS 31
Location :
40.549039 N, 100.401627 W