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Silurian Devonian aquifers

Dates

Release Date
2000-01-01
Time Period
1992
Publication Date

Citation

Upper Midwest Water Science Center, 2000, Silurian Devonian aquifers: U.S. Geological Survey data release, https://doi.org/10.5066/P9WGCCBT.

Summary

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the extent of the Silurian Devonian aquifers in the states of Michigan, Wisconsin, Illinois, Indiana, Ohio, Kentucky, and Tennessee.

Contacts

Attached Files

Click on title to download individual files attached to this item.

USAaquiferMAP11_17.pdf 1.61 MB application/pdf
Silurian-Devonian_aquifers_shp.zip 118.01 KB application/zip
Silurian-Devonian_aquifers_gdb.zip 27.54 KB application/zip
silurian.zip 175.84 KB application/zip
k039.gif thumbnail 36.37 KB image/gif

Purpose

These data delineate the areal extent of the Silurian Devonian aquifers as defined in the 'Ground Water Atlas of the United States' (U.S. Geological Survey HA 730). The scale of source material is 1:2,500,000 and these data are not intended for use at a larger scale.
Image of the silurian-devonian aquifer
Image of the silurian-devonian aquifer

Map

Communities

  • Model Data Management Function (MDMF)

Tags

Provenance

These data were originally released on the Water Mission Area National Spatial Data Infrastructure Node and were migrated to sciencebase.gov in 2023. These data were released prior to the October 1, 2016 effective date for the USGS's policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9WGCCBT

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