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#1 Federal
Altitude of the top of the middle Fort Union hydrogeologic unit in the Williston structural basin
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the middle Fort Union hydrogeologic unit in the Williston structural basin. The data are...
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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 06:04 AM

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