Region
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Sandwich Notch (N.H.)
2
Santa Catalina Mountains
2
Santa Catalina Mountains (Ariz.)
2
Saudi Arabia
2
Schweizerischer Nationalpark (Switzerland)
2
Sierra Nevada (Calif. and Nev.)
2
Southern States
2
Spain
2
Texas, South
2
Toronto Region
2
Utah
2
Wisconsin
2
Yellowstone National Park Region
2
Zakynthos
2
Adirondack Mountain Reserve
1
Adirondack Mountain Reserve (N.Y.)
1
Adirondack Park
1
Adirondack Park (N.Y.)
1
Alaska, Gulf of
1
Alberta
1
Albufera Lake (Spain)
1
America
1
Antarctica
1
Appalachian Region
1
Appalachian Region, Southern
1
Arches National Park (Utah)
1
Arctic regions
1
Arkansas
1
Asia
1
Benin
1
Big Cypress Swamp
1
Big Muddy National Fish and Wildlife Refuge
1
Big Muddy National Fish and Wildlife Refuge (Mo.)
1
Billy Frank, Jr., Nisqually National Wildlife Refuge
1
Billy Frank, Jr., Nisqually National Wildlife Refuge (Wash.)
1
Biscayne National Park (Fla.)
1
British Columbia
1
Bryce Canyon National Park (Utah)
1
Buffalo River
1
Buffalo River (Ark.)
1
Cambodia
1
Caprivi
1
Caribbean Area
1
Cascade Range
1
Central America
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
1
Chesapeake and Ohio Canal National Historical Park
1
Chicago Metropolitan Area
1
Chile
1
Coconino National Forest
1
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