Region
Africa
5
Africa, Eastern
1
Africa, Southern
1
Agate Fossil Beds National Monument
1
Agate Fossil Beds National Monument (Neb.)
1
Alberta
1
Appleton-Whittell Research Ranch Sanctuary
2
Appleton-Whittell Research Ranch Sanctuary (Ariz.)
2
Arizona
4
Asia, Central
1
Australia
2
Australia, Southeastern
1
Badlands National Park
1
Badlands National Park (S.D.)
1
Benton County
2
Black Kettle National Grassland
2
Black Kettle National Grassland (Okla. and Tex.)
27
Blackfoot River Valley
1
Blackfoot River Valley (Mont.)
1
Botswana
1
British Columbia
1
Buffalo Gap National Grassland (S.D.)
1
Canada
3
Canadian River
1
Carrizo Canyon
1
Cedar River National Grassland
2
Cedar River National Grassland (N.D.)
1
China
6
Chobe National Park
1
Chobe National Park (Botswana)
1
Cibola National Forest
2
Cibola National Forest (N.M.)
1
Cimarron National Grassland
1
Cimarron National Grassland (Kan.)
1
Clark County
1
Colorado
7
Comanche National Grassland
4
Comanche National Grassland (Colo.)
4
Crooked River National Grassland
6
Crooked River National Grassland (Or.)
2
Deschutes National Forest
5
Deschutes National Forest (Or.)
1
Earth (Planet)
5
Environmental aspects
1
Europe
2
Fitzner/Eberhardt Arid Lands Ecology Reserve
2
Fitzner/Eberhardt Arid Lands Ecology Reserve (Wash.)
1
Fort Pierre National Grassland
3
Fort Pierre National Grassland (S.D.)
3
Grand River National Grassland
2
more ...