ECU Libraries Catalog
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Region
- Colorado7
- Green River Formation7
- Wyoming7
- Arkansas5
- Balochistan Region5
- Pakistan5
- Missouri4
- Uinta Basin (Utah and Colo.)4
- Utah4
- Wasatch Formation4
- Appalachian Basin3
- Green River Watershed (Wyo.-Utah)3
- Powder River Basin (Wyo. and Mont.)3
- San Juan Basin (N.M. and Colo.)3
- Cheyenne2
- Fort Union Formation2
- Harrison Region2
- New Madrid Region2
- Ogallala Aquifer2
- Piceance Creek Basin (Colo.)2