Region
Wyoming
115
Carbon County
4
Yellowstone National Park
4
Albany County
2
Laramie County
2
Powder River Basin (Wyo. and Mont.)
2
South Dakota
2
Sweetwater County
2
Buffalo Hump Site (Wyo.)
1
Campbell County
1
Colorado
1
Converse County
1
Idaho
1
Lincoln County
1
Lincoln County (Wyo.)
1
Medicine Bow National Forest (Wyo.)
1
Montana
1
Natrona County
1
Nevada
1
North Dakota
1
Oregon National Historic Trail
1
Utah
1
Worland
1
Worland (Wyo.)
1