Spatial Coverage
- Appomattox River (Va.)1
- Appomattox River.1
- Arlington County (Va.)1
- Ashe County (N.C.)1
- Atlantic Coast1
- Atlantic Coast (Del.)1
- Atlantic Coast (N.C.)1
- Atlantic Intracoastal Waterway1
- Atlantic States1
- Barbour County (W. Va.)1
- Barbours Creek Wilderness1
- Barbours Creek Wilderness (Va.)1
- Basic City1
- Basic City (Va.)1
- Bath County1
- Bath County (Va.)1
- Bedford County (Va.)1
- Bell County (Ky.)1
- Berkeley County (W. Va.)1
- Blue Ridge Mountains Region1