Region
United States
986
California
8
Arizona
5
Florida
5
Washington (D.C.)
5
Mexican-American Border Region
4
Michigan
3
Oregon
3
Alabama
2
Illinois
2
New Jersey
2
New York (State)
2
Ohio
2
Pennsylvania
2
Washington (State)
2
Alaska
1
Big Darby Creek Watershed (Ohio)
1
Bomoseen, Lake
1
Bomoseen, Lake (Vt.)
1
Chicago
1
Delaware
1
Great Lakes (North America)
1
Hawaii
1
Idaho
1
Iowa
1
Kansas
1
King County
1
Mexico
1
Mexico, Gulf of
1
Mississippi
1
Nevada
1
New Hampshire
1
Northwest, Pacific
1
Nueces River (Tex.)
1
Pawtucket
1
Poland
1
Puerto Rico
1
Rhode Island
1
South Dakota
1
Vermont
1