Place
- Canada2
- Guam2
- Hopkins Marine Station2
- Monterey County (Calif.)2
- Muscongus Bay (Me.)2
- New York2
- New York Harbor (N.Y. and N.J.)2
- New Zealand2
- Northern Mariana Islands2
- Pacific Grove (Calif.)2
- San Francisco Bay Area (Calif.)2
- United States. Virgin Islands2
- Africa1
- Alameda County (Calif.)1
- Arctic regions1
- Atlantic Coast (Middle Atlantic States)1
- Atlantic Coast (N.C.)1
- Atlantic Coast (New England),1
- Atlantic Coast (S.C.)1
- Australia1