Spatial Coverage
- Maine2
- Maritime Provinces2
- Maryland2
- Maryland.2
- Mexico, Gulf of2
- Michigan2
- Michigan.2
- Montana.2
- New Brunswick2
- New Brunswick.2
- New Jersey2
- New York (N.Y.)2
- New York Harbor (N.Y. and N.J.)2
- New York.2
- Niagara Falls (N.Y. and Ont.)2
- North America Saint Lawrence River Valley. lcsh2
- North Atlantic Ocean2
- Northeastern States.2
- Northern boundary of the United States2
- Northwest, Old.2
