Region
United States
77
California
4
East (U.S.)
3
Arkansas
2
Atlantic Coast (U.S.)
2
El Niño Current
2
Florida
2
Guam
2
Idaho
2
Kansas
2
La Niña Current
2
Maryland
2
Nevada
2
Oklahoma
2
Southern States
2
Texas
2
Alabama
1
Arizona
1
Atlantic Ocean
1
Baltimore
1
Bighorn Mountains (Wyo. and Mont.)
1
Brazos River (Tex.)
1
Caribbean Area
1
Clearwater River Watershed
1
Colorado
1
Colorado River (Tex.)
1
Fort Smith Region
1
Fresno
1
Fresno (Calif.)
1
Georgia
1
Great Lakes (North America)
1
Guadalupe River (Tex.)
1
Guam Region
1
Inner Harbor (Baltimore, Md.)
1
La Plata
1
Las Vegas
1
Las Vegas (Nev.)
1
Mexico, Gulf of
1
Mississippi River
1
Montana
1
New England
1
North Atlantic Ocean
1
Puerto Rico
1
Red River of the North
1
Reno
1
Reno (Nev.)
1
San Diego
1
San Diego (Calif.)
1
South Dakota
1
Texas, South
1
more ...