Spatial Coverage
- Kattegat (Denmark and Sweden)2
- Ketchikan Region2
- Le Havre2
- Leeward Islands (Federation)2
- Lewis County2
- Lorient2
- Lorient (France)2
- Madison County2
- Maine, Gulf of2
- Malta2
- Mediterranean Coast (Spain)2
- Messina, Strait of (Italy)2
- Mexican-American Border Region2
- Mexico, Valley of (Mexico)2
- Miramichi River (N.B.)2
- Mississippi2
- Mohave County2
- New Brunswick2
- New York (State)2
- North Dakota2
