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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...

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Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 10:22 PM

#2 Federal

MODFLOW 2000 and MT3DMS models of potentiometric head and trichloroethene concentration at the Naval Industrial Reserve Ordnance Plant, Fridley, Minnesota

Organization: Department of the Interior
Dataset Last Updated: November 17, 2020 at 12:00 AM

This model is a preliminary characterization of trichloroethene transport in the surficial and Cambrian-Ordovician aquifer systems at the Naval Industrial Reserve Ordnance Plant in Fridley,...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 07:48 PM

#3 Federal

Digital data from previous USGS hydrogeologic studies of the Cambrian-Ordovician aquifer system in the northern Midwest, United States

Organization: Department of the Interior
Dataset Last Updated: October 23, 2023 at 12:00 AM

This dataset captures in digital form previously published maps showing the inferred extent and subsurface elevation of several Paleozoic consolidated rock units in the northern Midwest of the...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:46 PM

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Digital data for a 3D geologic model of the Michigan Basin region, Illinois, Indiana, Michigan, Ohio, and Wisconsin, USA (ver. 2.0, February 2026)

MODFLOW 2000 and MT3DMS models of potentiometric head and trichloroethene concentration at the Naval Industrial Reserve Ordnance Plant, Fridley, Minnesota

Digital data from previous USGS hydrogeologic studies of the Cambrian-Ordovician aquifer system in the northern Midwest, United States