Spatial Coverage
- Fort Pierre National Grassland2
- Fort Pierre National Grassland (S.D.)2
- Liberia2
- North America2
- North Atlantic Ocean.2
- Roosevelt National Forest2
- Roosevelt National Forest (Colo.)2
- Tropics.2
- Addis Ababa (Ethiopia)1
- Addis Ababa.1
- Africa, North1
- Antarctic Peninsula1
- Antarctic Peninsula (Antarctica)1
- Antarctic Peninsula.1
- Antarctica1
- Antarctica.1
- Appalachian Basin1
- Ashumet Pond (Mass.)1
- Asia, Central1
- Atlantic Ocean.1
