Region
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Santa Cruz County
2
Santa Cruz County (Ariz.)
2
Saskatchewan
2
Sheyenne National Grassland
2
Southern States
2
Tallgrass Prairie National Preserve (Kan.)
2
Zêkog Xian
2
Zêkog Xian (China)
2
Africa, Eastern
1
Africa, Southern
1
Agate Fossil Beds National Monument
1
Agate Fossil Beds National Monument (Neb.)
1
Alberta
1
Asia, Central
1
Australia, Southeastern
1
Badlands National Park
1
Badlands National Park (S.D.)
1
Blackfoot River Valley
1
Blackfoot River Valley (Mont.)
1
Botswana
1
British Columbia
1
Buffalo Gap National Grassland (S.D.)
1
Canadian River
1
Carrizo Canyon
1
Cedar River National Grassland (N.D.)
1
Chobe National Park
1
Chobe National Park (Botswana)
1
Cibola National Forest (N.M.)
1
Cimarron National Grassland
1
Cimarron National Grassland (Kan.)
1
Clark County
1
Deschutes National Forest (Or.)
1
Environmental aspects
1
Fitzner/Eberhardt Arid Lands Ecology Reserve (Wash.)
1
Grand River National Grassland (S.D.)
1
Grant County
1
Grassland Water District (Calif.)
1
Grasslands National Park
1
Great Britain
1
Huron Wetland Management District
1
Idaho
1
Illinois
1
Little Missouri National Grassland
1
Little Missouri National Grassland (N.D.)
1
Manassas National Battlefield Park
1
Manassas National Battlefield Park (Va.)
1
Manitoba
1
Mexican-American Border Region
1
Middle West
1
Nevada
1
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