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#1 Federal
Volcanic and sedimentary-rock aquifers
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
This data set represents the extent of the Volcanic and sedimentary-rock aquifers in the states of Montana, Wyoming, Idaho, Nevada, California, Oregon, and Washington.
- xml
- xml
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:58 PM

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Volcanic and sedimentary-rock aquifers