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Digital data of isopach contours and salt extent boundaries from previously published Regional Aquifer System Analysis (RASA) studies on the Northern Great Plains of Wyoming, North Dakota, South Dakota, Montana, and Nebraska
- Organization: Department of the Interior
- Dataset Last Updated: April 30, 2025 at 12:00 AM
This GIS dataset presents contours and maps from previously published interpretations of hydrogeologic units of the northern Great Plains by Downey (1986). The original source publication was...
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Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:59 PM

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