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Spatial Coverage
- Central America1
- Fruitland Formation (Colo. and N.M.)1
- Hopi Indian Reservation (Ariz.)1
- Mexico, North1
- Middle West1
- Navajo Indian Reservation1
- New Mexico.1
- New Southwest.1
- San Juan River Watershed (Colo.-Utah)1
- Southwestern States1
- Spain1
- United States Highway 801
- United States.1
- West (U.S.)1
- West United States.1
