Spatial Coverage
- Texas, South5
- Washington (State)5
- Chesapeake Bay (Md. and Va.)4
- Hudson River (N.Y. and N.J.)4
- Maryland4
- Oregon4
- Pacific Coast (Wash.)4
- Rhode Island4
- Southern States4
- Alaska3
- Atlantic Coast (America)3
- Atlantic Coast (South Atlantic States)3
- Atlantic Coast.3
- Cape Fear River (N.C.)3
- Cape Fear River.3
- Champlain, Lake3
- Delaware3
- Florida Keys (Fla.)3
- Long Island Sound (N.Y. and Conn.)3
- Mississippi3