Spatial Coverage
- Sheridan County2
- Sheridan County (Wyo.)2
- Sierra National Forest (Calif.)2
- South Africa2
- South America2
- Spain2
- Tanzania2
- Venice (Italy)2
- Vermont2
- Washington (D.C.)2
- Yosemite National Park (Calif.)2
- Adirondack Park (N.Y.)1
- Africa.1
- Aitkin County1
- Aitkin County (Minn.)1
- Albania1
- Algoa (Tex.)1
- Algoa.1
- Allegany County (Md.)1
- Allegheny Region (Pa.)1
