Spatial Coverage
- Big Bend National Park1
- Cape Cod1
- Chesapeake and Ohio Canal National Historical Park1
- EĢtats-Unis1
- Florida1
- Gallatin County1
- Glacier Bay National Park and Preserve (Alaska)1
- Gulf Coast (U.S.)1
- Harris-Galveston Coastal Subsidence District (Tex.)1
- Hawaii1
- High Plains Aquifer1
- Hindu Kush Mountains (Afghanistan and Pakistan)1
- Houston Region1
- Kabul Region1
- Kittitas County1
- Kittitas County (Wash.)1
- Kluane National Park and Reserve (Yukon)1
- Laramie County1
- Livengood Region1
- Los Angeles Region1