Catalog - Data.gov

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

Organization: Department of the Interior
Updated: 20231023 | Harvested: July 16, 2025 at 08:24 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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Geodatabase of the datasets used to represent the four aquifer subunits of the Cambrian-Ordovician aquifer system, Illinois, Iowa, Michigan, Minnesota, and Wisconsin

Organization: Department of the Interior
Updated: 20201117 | Harvested: September 15, 2025 at 08:38 PM

This geodatabase includes spatial datasets that represent the Cambrian-Ordovician aquifer system in the States of Wisconsin, Michigan, Minnesota, Iowa, and Illinois. Included are: (1) a...

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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
Updated: 20201117 | Harvested: July 16, 2025 at 06:18 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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Digital data for a 3D geologic model of the Michigan Basin region, Illinois, Indiana, Michigan, Ohio, and Wisconsin, USA

Organization: Department of the Interior
Updated: 20250701 | Harvested: September 04, 2025 at 08:01 PM

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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Digital Polygon Model Grid of the Hydrogeologic Framework of Bedrock Units for a Simulation of Groundwater Flow for the Lake Michigan Basin

Organization: Department of the Interior
Updated: 20201117 | Harvested: July 16, 2025 at 12:51 AM

The hydrogeologic framework for the Lake Michigan Basin model was developed by grouping the bedrock geology of the study area into hydrogeologic units on the basis of the functioning of each...

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