Region
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Kenya
4
Mediterranean Region
4
New Jersey
4
New York (N.Y.)
4
Nicaragua
4
North Pacific Ocean
4
Saskatchewan
4
Saudi Arabia
4
South Asia
4
Sri Lanka
4
Taiwan
4
Thailand
4
Yugoslavia
4
Africa, East
3
Alberta
3
Amazon River Region
3
Amsterdam Region
3
Arctic Coast
3
Arctic Regions
3
Atlantic Provinces
3
Barbados
3
Belfast
3
Bolivia
3
Bulgaria
3
Chesapeake Bay (Md. and Va.)
3
Cincinnati
3
Colorado Plateau
3
Czechoslovakia
3
Easter Island
3
Foreign countries
3
Ghana
3
Libya
3
Los Alamos
3
Mahale Mountains National Park
3
Malawi
3
Minnesota
3
Mississippi
3
Missouri
3
Nepal
3
New England
3
New Hampshire
3
Nigeria
3
Oklahoma
3
Oman
3
Ottawa
3
Pacific Coast
3
Papua New Guinea
3
Philippines
3
Québec (Province)
3
Rome
3
more ...