Spatial Coverage
- California12
- Juan de Fuca, Strait of (B.C. and Wash.)12
- Maine, Gulf of12
- Puget Sound (Wash.)12
- Atlantic Coast (Ga.)11
- Florida, Straits of11
- Massachusetts11
- Aleutian Islands (Alaska)10
- Atlantic Coast (N.C.)10
- Atlantic Coast (S.C.)10
- Beaufort Sea10
- Galveston Bay (Tex.)10
- Michigan10
- Prince William Sound (Alaska)10
- Cook Inlet (Alaska)9
- Superior, Lake9
- Washington (State)9
- Atlantic Coast (Va.)8
- Columbia River8
- Huron, Lake (Mich. and Ont.)8