Region
United States
78
États-Unis
23
Amérique du Nord
2
Assateague Island (Md. and Va.)
2
Chesapeake Bay (Md. and Va.)
2
Everglades
2
Florida
2
Great Lakes (North America)
2
West (U.S.)
2
Assateague Island
1
Atlantic Ocean
1
Chesapeake Bay
1
Chesapeake, Baie de (Mar. et Virg.)
1
Floride
1
Grands Lacs (Amérique du Nord)
1
Great Lakes
1
Oregon
1
Pennsylvania
1
West United States
1
Wild Rivers Ranger District
1
Wild Rivers Ranger District (Or.)
1