Region
United States
98
Florida
7
Alaska
6
California
5
New Mexico
5
Colorado
4
Great Lakes (North America)
4
Washington (State)
4
Arizona
3
Connecticut
3
Hawaii
3
Nebraska
3
Nevada
3
South Carolina
3
Texas
3
Utah
3
Wyoming
3
Georgia
2
Great Lakes Region (North America)
2
Gulf Coast
2
Illinois
2
Indiana
2
Long Island Sound (N.Y. and Conn.)
2
Mars (Planet)
2
Mexico, Gulf of
2
Missouri
2
New York (State)
2
North Carolina
2
Oregon
2
Puerto Rico
2
Africa
1
Albuquerque
1
Albuquerque Region
1
Alpine County
1
Antarctica
1
Apalachicola River
1
Arafura Sea
1
Aravaipa Canyon (Ariz.)
1
Arctic regions
1
Atlantic Coast (U.S.)
1
Brazil
1
Canada
1
Cape Cod
1
Carpentaria, Gulf of (N.T. and Qld.)
1
Carson River Valley
1
Carson River Watershed
1
Chesapeake Bay (Md. and Va.)
1
Clark County
1
Colorado River (Colo.-Mexico)
1
Commencement Bay
1
more ...