Place
- Africa1
- Alabama5
- Alameda County (Calif.)1
- Alaska5
- Albemarle Sound (N.C.)7
- American Samoa2
- Antarctic Ocean10
- Antarctica10
- Arctic Ocean3,353
- Arctic regions1
- Arizona5
- Arkansas5
- Atlantic Coast (Middle Atlantic States)1
- Atlantic Coast (N.C.)1
- Atlantic Coast (New England)7
- Atlantic Coast (New England),1
- Atlantic Coast (S.C.)1
- Atlantic Coast (U.S.)3
- Atlantic Ocean43
- Australia1