Spatial Coverage
- Georgia3
- Jones County (Iowa)3
- Kiowa, Comanche, and Apache Indian Reservation (Okla.)3
- Massachusetts3
- Minnesota3
- Virginia3
- Washington County (Ark.)3
- Wenatchee National Forest (Wash.)3
- Worcester County (Md.)3
- Accomack County (Va.)2
- Bonner County (Idaho)2
- Carter County (Okla.)2
- Cedar County (Iowa)2
- Chelan, Lake (Wash.)2
- Cherokee County (Okla.)2
- China2
- Clay County (W. Va.)2
- Clinton County (Iowa)2
- Coal County (Okla.)2
- Delaware2
