Spatial Coverage
- Nova Scotia2
- Ontario2
- Rossland Region2
- Saint Mary's County (Md.)2
- United States2
- Vermont2
- Virginia2
- Wales2
- Washington (State)2
- Abbeville County (S.C.)1
- Adirondack Mountains (N.Y.)1
- Adirondack Park (N.Y.)1
- Alabama1
- Albany Region (N.Y.)1
- Alberta1
- Allamakee County (Iowa)1
- Amargosa Desert (Nev. and Calif.)1
- Amargosa Desert.1
- Anne Arundel County (Md.)1
- Arctic Coast (Canada)1
