Place
- West Virginia6
- Wyoming6
- United States. Virgin Islands5
- San Francisco County (Calif.)2
- Santa Cruz County (Calif.)2
- Argentina1
- Atlantic Ocean1
- Bangladesh1
- Benin1
- Bolivia1
- Botswana1
- Brunei1
- Buzzards Bay (Mass. : Bay)1
- California, Northern1
- Cambodia1
- Cape Cod Bay (Mass.)1
- Casco Bay (Me.)1
- Chad1
- Chesapeake Bay (Md. and Va.)1
- China1