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#1 Federal
Hydrogeologic Areas of the Southwest Principal Aquifer (SWPA) study
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
This raster dataset represents the boundaries of the hydrogeologic areas of the Southwest Principal Aquifer (SWPA) study of the National Water Quality Assessment (NAWQA) program. It is a...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:06 PM

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Hydrogeologic Areas of the Southwest Principal Aquifer (SWPA) study