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Spatial Coverage
- Colorado5
- Adams County1
- Alamosa River (Colo.)1
- American Samoa1
- Arizona1
- Boulder County1
- Columbia Plateau1
- Conejos County1
- Death Valley Region (Calif. and Nev.)1
- Denver Region1
- El Paso County1
- Fort Worth Region1
- Fountain Creek1
- Great Basin1
- Jefferson County1
- Kentucky1
- Larimer County1
- Maricopa County.1
- Middle Atlantic States1
- Naval Ordnance Station Louisville (Ky.)1
