Spatial Coverage
- Atlantic Coast (R.I.)3
- Atlantic Coast (Va.)3
- Burma.3
- Colorado3
- Connecticut3
- Delaware River (N.Y.-Del. and N.J.)3
- Erie, Lake.3
- Green Bay (Wis. and Mich.)3
- Gulf Coast (U.S.)3
- Huron, Lake (Mich. and Ont.)3
- Juan de Fuca, Strait of (B.C. and Wash.)3
- Kennebec River (Me.)3
- Kodiak Island (Alaska)3
- Manitoba3
- Massachusetts3
- Mexico, Gulf of.3
- Mississippi Sound3
- Missouri3
- Montgomery County3
- Nye County3
