Region
United States
129
Alaska
30
Florida
28
Colorado
27
California
12
Texas
12
Atlantic Coast (U.S.)
9
New York (State)
9
North Carolina
9
Tropics
8
Gulf Coast (U.S.)
6
Massachusetts
6
Georgia
5
Great Plains
5
Louisiana
5
Puerto Rico
5
South Carolina
5
Alabama
4
Hawaii
4
New Jersey
4
Orlando
4
Pennsylvania
4
United States Virgin Islands
4
Arizona
3
Earth (Planet)
3
Gulf Coast (Tex.)
3
Gulf States
3
Maine
3
Southern States
3
Antelope Valley
2
Appalachian Mountains
2
Atlantic States
2
Bangor
2
Big Thompson River Watershed
2
Cache la Poudre River Watershed
2
California, Southern
2
Caribbean Area
2
Chandeleur Islands (La.)
2
Cheat River Watershed (W. Va. and Pa.)
2
Connecticut
2
Delaware
2
East (U.S.)
2
East Brady
2
El Niño Current
2
Floridan Aquifer
2
Front Range (Colo. and Wyo.)
2
Galveston Bay
2
Illinois
2
Jamaica
2
Long Island
2
more ...