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  • #1 Federal

    Silurian Devonian aquifers

    This data set represents the extent of the Silurian Devonian aquifers in the states of Michigan, Wisconsin, Illinois, Indiana, Ohio, Kentucky, and Tennessee.

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 13, 2026 at 07:23 PM

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