Region
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Ireland
4
Islands of the Pacific
4
New York
4
North Carolina
4
Northeastern States
4
Oceania
4
Pacific Area
4
Philippines
4
Québec (Province)
4
Russia (Federation)
4
Southwest, New
4
Spain
4
Washington (State)
4
Washington Region
4
Appalachian Region, Southern
3
Central America
3
Chesapeake Bay Region (Md. and Va.)
3
Colombia
3
Egypt
3
Great Lakes (North America)
3
Great Lakes Region (North America)
3
Greece
3
India
3
Indonesia
3
Minnesota
3
North Atlantic Ocean
3
Northwest, Pacific
3
Africa, Sub-Saharan
2
Alberta
2
Amazon River Valley
2
Arctic Regions
2
Arizona
2
Atlantic Coast (Brazil)
2
Atlantic Coast (S.C.)
2
Bering Land Bridge
2
Boundary Waters Canoe Area
2
Boundary Waters Canoe Area (Minn.)
2
Buguias
2
Buguias (Philippines)
2
Colorado
2
Connecticut River Valley
2
Cradle of Humankind World Heritage Site (South Africa)
2
Developing island countries
2
East Asia
2
Eastern Cape
2
El Niño Current
2
Ethiopia
2
Eurasia
2
Everglades
2
Everglades National Park
2
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