Region
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Arizona
5
China
5
Maryland
5
Michigan
5
Montana
5
New Hampshire
5
Oregon
5
Outer space
5
Scotland
5
Texas City
5
West (U.S.)
5
British Columbia
4
Chile
4
Connecticut
4
Huntington
4
London
4
Long Island (N.Y.)
4
Louisiana
4
Mexico
4
Miami
4
New York (N.Y.)
4
North Atlantic Ocean
4
North Sea
4
Oklahoma
4
Panama Canal (Panama)
4
Prince William Sound Region
4
Raleigh County
4
South Carolina
4
Southern States
4
Wales
4
Arctic regions
3
Belgium
3
Birmingham
3
Canary Islands
3
Chicago (Ill.)
3
Cleveland
3
Georgia
3
Hanford Site
3
Hanford Site (Wash.)
3
Iowa
3
Iraq
3
Kentucky
3
Knoxville (Tenn.)
3
Long Island
3
Los Angeles
3
Los Angeles (Calif.)
3
Marion County (W. Va.)
3
Middle West
3
Minnesota
3
Missouri
3
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