Place
- Block Island Sound (R.I.)9
- Blue Hill Bay (Me.)9
- Botwood, Canada9
- Central America9
- Chicago (Ill.)9
- Congo9
- Georges Bank9
- Greenland9
- Ipswich Bay (Mass.)9
- Italy9
- Moscow (Russia)9
- Nantucket Shoals (Mass.)9
- Nigeria9
- Northeastern states9
- Noyo River (Calif.)9
- Noyo River Watershed (Calif.)9
- Palo Alto (Calif.)9
- Rwanda9
- Saint Helena9
- Spirit River, Canada9