Spatial Coverage
- Long Island Sound (N.Y. and Conn.)3
- Malheur County3
- Mecklenburg County3
- Mississippi3
- Northampton County3
- Oahu (Hawaii)3
- Puerto Rico3
- Rosario Strait (Wash.)3
- San Juan County3
- South Carolina3
- Superior, Lake3
- U.S.3
- Vermont3
- Warren County3
- Alabama2
- Alaska, Gulf of (Alaska)2
- Arizona2
- Atlantic Coast (Mass.)2
- Attu Island (Alaska)2
- British Columbia2