'Park County' definitions:

Park -- U.S. County in Montana

From: Gazetteer 2000
Name :
Park -- U.S. County in Montana
Population (2000) :
15694
Housing Units (2000) :
8247
Land area (2000) :
2802.410871 sq. miles (7258.210526 sq. km)
Water area (2000) :
11.176254 sq. miles (28.946363 sq. km)
Total area (2000) :
2813.587125 sq. miles (7287.156889 sq. km)
Located within :
Montana (MT), FIPS 30
Location :
45.653282 N, 110.546931 W

Park -- U.S. County in Wyoming

From: Gazetteer 2000
Name :
Park -- U.S. County in Wyoming
Population (2000) :
25786
Housing Units (2000) :
11869
Land area (2000) :
6942.393708 sq. miles (17980.716396 sq. km)
Water area (2000) :
26.112640 sq. miles (67.631424 sq. km)
Total area (2000) :
6968.506348 sq. miles (18048.347820 sq. km)
Located within :
Wyoming (WY), FIPS 56
Location :
44.568961 N, 108.999016 W

Park -- U.S. County in Colorado

From: Gazetteer 2000
Name :
Park -- U.S. County in Colorado
Population (2000) :
14523
Housing Units (2000) :
10697
Land area (2000) :
2200.691135 sq. miles (5699.763631 sq. km)
Water area (2000) :
9.999132 sq. miles (25.897633 sq. km)
Total area (2000) :
2210.690267 sq. miles (5725.661264 sq. km)
Located within :
Colorado (CO), FIPS 08
Location :
39.171091 N, 105.717199 W