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Spatial Coverage
- United States[remove]15
- Powder River Basin (Wyo. and Mont.)4
- Powder River Basin.4
- San Juan Basin (N.M. and Colo.)2
- San Juan Basin.2
- Appalachian Basin1
- Appalachian Basin.1
- Appalachian Region1
- Appalachian Region.1
- Arizona1
- Colorado1
- Cumberland Mountains1
- Cumberland Mountains.1
- Glen Canyon (Utah and Ariz.)1
- Glen Canyon National Recreation Area (Utah and Ariz.)1
- Glen Canyon National Recreation Area.1
- Glen Canyon.1
- Lees Ferry1
- Lees Ferry (Ariz.)1
- Lees Ferry.1
