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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...
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 06:04 AM
#2 Federal
Altitude of the top of the middle Fort Union hydrogeologic unit in the Powder River 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 Powder River basin. The data are presented as...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:38 AM

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