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Spatial Coverage
- Pennsylvania4
- Puerto Rico4
- Illinois2
- Iowa2
- Virginia2
- Washington2
- Alaska1
- Arkansas1
- Cedar Breaks National Monument (Utah)1
- Cedar Breaks National Monument.1
- Connecticut1
- Copper River Valley (Alaska)1
- Klamath Indian Reservation (Or.)1
- Louisiana1
- Massachusetts1
- Mississippi1
- Montana1
- New York1
- Oregon1
- Richardson Highway (Alaska)1