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#1 Federal
Digital data for a 3D geologic model of the Michigan Basin region, Illinois, Indiana, Michigan, Ohio, and Wisconsin, USA (ver. 2.0, February 2026)
- Organization: Department of the Interior
- Dataset Last Updated: February 23, 2026 at 12:00 AM
This digital GIS dataset and accompanying nonspatial files synthesize model outputs from a regional-scale volumetric 3D geologic model that portrays the generalized subsurface geology of the...
- XML
- XML
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 10:22 PM
#2 Federal
Aquifer framework datasets used to represent the Marshall aquifer, Michigan
- Organization: Department of the Interior
- Dataset Last Updated: September 23, 2024 at 12:00 AM
The Marshall aquifer underlies much of the Lower Peninsula of Michigan and has a maximum thickness of 493 feet (Lampe, 2009). The aquifer consists mainly of medium-grained sandstone and is...
- XML
- XML
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:52 PM

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