Region
Addison County
1
Addison County (Vt.)
1
Adirondack Mountains
2
Adirondack Mountains (N.Y.)
2
Africa
4
Africa, East
2
Africa, Northeast
1
Africa, Southern
4
Africa, West
1
Alaska
52
Alberta
3
Amazon River Region
1
Angleterre
1
Appalachian Region, Southern
2
Arctic Regions
1
Arctic regions
5
Arkansas
3
Asia
1
Badlands
1
Badlands (N.D.)
1
Balkan Peninsula
1
Bear River Migratory Bird Refuge
1
Bear River Migratory Bird Refuge (Utah)
1
Bedfordshire
1
Bedfordshire (England)
1
Benin
1
Benton Lake National Wildlife Refuge
1
Benton Lake National Wildlife Refuge (Mont.)
1
Bering Strait Region
2
Bitterroot National Forest (Mont. and Idaho)
1
Bitterroot Range (Idaho and Mont.)
2
British Columbia
1
Buffalo (N.Y.)
1
Burkina Faso
1
California
2
California, Southern
1
Canada
14
Canada, Northern
2
Canada, Western
2
Casper site, Wyoming
1
Charleston County
2
Chunhuhub Region
1
Chunhuhub Region (Mexico)
1
Columbia Plateau
2
Congo (Democratic Republic)
3
Davis Strait
2
Denmark
1
Des Lacs National Wildlife Refuge
1
Des Lacs National Wildlife Refuge (N.D.)
1
Ecuador
1
more ...