Region
United States
114
Northwest, Pacific
13
Columbia River Watershed
12
Washington (State)
12
California
11
Oregon
9
Atlantic Coast (U.S.)
8
Alaska
7
Snake River (Wyo.-Wash.)
7
Pacific Coast (U.S.)
6
West (U.S.)
6
Columbia River
5
North Pacific Ocean
5
Oceania
5
Atlantic Ocean
4
Colorado
4
North Pacific Region
4
Central Valley (Valley)
3
Colorado River (Colo.-Mexico)
3
Delta Region
3
Indiana
3
Klamath River Watershed (Or. and Calif.)
3
Mexico, Gulf of
3
Nevada
3
Arizona
2
Georges Bank
2
Hawaii
2
Jarbidge River (Idaho and Nev.)
2
Maine
2
Montana
2
New England
2
North Atlantic Ocean
2
Northeastern States
2
Pacific Coast Region (U.S.)
2
Puget Sound
2
South Pacific Ocean
2
Utah
2
White River Watershed
2
Willapa National Wildlife Refuge
2
Willapa National Wildlife Refuge (Wash.)
2
Atlantic Coast (Middle Atlantic States)
1
Atlantic Coast (New England)
1
Atlantic Coast (North America)
1
Atlantic Coast (South Atlantic States)
1
Bandon Marsh National Wildlife Refuge (Or.)
1
Canada
1
Catoctin Mountain Park
1
Catoctin Mountain Park (Md.)
1
Chehalis River
1
Clearwater River Region (Jefferson County)
1
more ...