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Spatial Coverage
- New Jersey5
- Powder River Basin (Wyo. and Mont.)5
- Idaho4
- Powder River Basin.4
- Sussex County4
- United States4
- Middle West3
- Morris County3
- Warren County3
- Middle Atlantic States2
- Minnesota2
- Ontario2
- Appalachian Region1
- Atlantic Coast (Middle Atlantic States)1
- Atlantic Coast (New England)1
- Atlantic Coast.1
- Atlantic Ocean1
- Bell County1
- Black Canyon of the Gunnison National Monument Region1
- Bruneau River Wilderness1
