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Spatial Coverage
- Alaska2
- Colorado2
- India2
- Michigan2
- Philip Smith Mountains2
- Arctic National Wildlife Refuge1
- Arctic National Wildlife Refuge.1
- Arizona1
- Brazil1
- Brooks Range1
- Brooks Range.1
- Catron County1
- Chesapeake and Ohio Canal National Historical Park1
- Coconino County1
- Coconino County.1
- Colorado National Monument1
- Colorado National Monument (Colo.)1
- Colorado National Monument.1
- Death Valley (Calif. and Nev.)1
- Delaware1
