Region
United States
225
États-Unis
107
California
18
Florida
14
New York (State)
14
Soviet Union
13
New Jersey
12
Mexico, Gulf of
11
Europe
10
Minnesota
9
Texas
9
Washington (State)
9
Gulf of Mexico
8
Netherlands
8
Delaware River Estuary
6
Mexique, Golfe du
6
Oregon
6
Pennsylvania
6
Earth (Planet)
5
Massachusetts
5
Alaska
4
Caroline du Nord
4
Moon
4
North Carolina
4
Potomac River Estuary
4
Rochester
4
San Joaquin Valley
4
Wisconsin
4
Alabama
3
Atlantic Ocean
3
Brazil
3
Broome County
3
Californie
3
Canada
3
Cape Cod Region
3
Charlotte County
3
Colombia
3
Colorado
3
Columbia River
3
Developing countries
3
Floride
3
Georgia
3
Germany
3
Harding Lake
3
Harding Lake (Alaska)
3
Houston Ship Channel
3
Houston Ship Channel (Tex.)
3
Hungry Horse Reservoir (Mont.)
3
Iowa
3
Los Angeles
3
more ...