Spatial Coverage
- Rappahannock River (Va.)7
- Santa Barbara Channel (Calif.)7
- Singapore Strait7
- Skagerrak7
- Sumner Strait (Alaska)7
- Tasman Sea7
- Aegean Sea.6
- Arafura Sea6
- Arctic Ocean6
- Attu Island (Alaska)6
- Bismarck Sea6
- Connecticut6
- Connecticut River6
- Croatia6
- Delaware River (N.Y.-Del. and N.J.)6
- England6
- English Channel.6
- Finland, Gulf of6
- Georgia, Strait of (B.C. and Wash.)6
- Guinea, Gulf of.6
