Spatial Coverage
- Adirondack Mountains (N.Y.)2
- Africa, Eastern2
- Africa, Southern2
- Alaska2
- Antwerp (Belgium)2
- Arkansas2
- Arkansas River2
- Atlantic County2
- Atlantic County (N.J.)2
- Atoka County (Okla.)2
- Austria2
- Baden-Württemberg (Germany)2
- Big Horn County2
- Big Horn County (Wyo.)2
- Black Forest (Germany)2
- Boston (Mass.)2
- Boston Metropolitan Area2
- Boston Metropolitan Area (Mass.)2
- British Isles2
- Burma2
