Region
Colorado
5
North Dakota
2
United States
2
Attwater Prairie Chicken National Wildlife Refuge (Tex.)
1
Canyons of the Ancients National Monument
1
Canyons of the Ancients National Monument (Colo.)
1
Indiana
1
Jackson County
1
Muscatatuck National Wildlife Refuge
1
Muscatatuck National Wildlife Refuge (Ind.)
1
South Park
1
Texas
1