Spatial Coverage
- Texas4
- Atlantic Coast (N.C.)3
- Atlantic Coast (S.C.)3
- Attu Island (Alaska)3
- Bering Strait3
- Bristol Bay (Alaska)3
- Culebra Island (P.R.)3
- Gulf Intracoastal Waterway3
- Hudson River (N.Y. and N.J.)3
- Kiska Island (Alaska)3
- Mount Desert Island (Me.)3
- Penobscot Bay (Me.)3
- Sumner Strait (Alaska)3
- Umatilla, Lake (Or. and Wash.)3
- United States3
- Vieques Sound (P.R.)3
- Virgin Islands of the United States3
- Afognak Island (Alaska)2
- Alitak Bay (Alaska)2
- Andreanof Islands (Alaska)2
