Place
- Maryland4
- Massachusetts Bay (Mass.)4
- Mid-Atlantic Bight4
- Middle Atlantic States4
- Minnesota4
- Montana4
- Nantucket Shoals (Mass.)4
- Nantucket Sound (Mass.)4
- Napa County (Calif.)4
- Nebraska4
- New Jersey4
- Norfolk Canyon4
- North Dakota4
- Ontario, Lake (N.Y. and Ont.)4
- Oregon4
- Pennsylvania4
- Penobscot Bay (Me.)4
- San Francisco Bay Area (Calif.)4
- San Francisco County (Calif.)4
- Solano County (Calif.)4