Spatial Coverage
- Hudson River Valley.1
- Italy, Northern1
- Kennebec River (Me.)1
- Kentucky1
- Kentucky.1
- Maryland1
- Massachusetts1
- Massachusetts.1
- Mexico1
- Morris Canal (N.J.)1
- Morris Canal.1
- New Jersey1
- New York1
- New York Metropolitan Area1
- New York Metropolitan Area.1
- Norfolk (England)1
- Norfolk.1
- North Riding of Yorkshire (England)1
- North Riding of Yorkshire.1
- Northeastern States1
