Spatial Coverage
- Maine8
- North America8
- North Carolina8
- Virginia8
- Atlantic Intracoastal Waterway7
- Delaware River (N.Y.-Del. and N.J.)7
- Green Bay (Wis. and Mich.)7
- Gulf Coast (La.)7
- Maryland7
- Matagorda Bay (Tex.)7
- New Jersey7
- Ohio7
- Ontario, Lake (N.Y. and Ont.)7
- Atlantic Coast (R.I.)6
- Block Island Sound (R.I.)6
- Houston Ship Channel (Tex.)6
- Mississippi Sound6
- Nantucket Sound (Mass.)6
- New York (State)6
- North Atlantic Ocean6
