Spatial Coverage
- North Dakota2
- Northumberland County2
- Northumberland County.2
- Prince George's County (Md.)2
- Schuylkill County2
- Schuylkill County.2
- Tolland County2
- Alabama1
- Alaska.1
- Amargosa Desert (Nev. and Calif.)1
- Amargosa Desert.1
- Anne Arundel County (Md.)1
- Badlands National Park (S.D.)1
- Badlands National Park.1
- Bell County (Ky.)1
- Blaine County (Idaho)1
- Blount County (Ala.)1
- Bowman County1
- Bowman County.1
- Breathitt County (Ky.)1
