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Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands

Dates

Release Date
2003
Time Period
2003-10
Publication Date

Citation

U.S. Geological Survey, 2003, Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands: U.S. Geological Survey data release, https://doi.org/10.5066/P9Y2HOUJ.

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 map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed as part of the effort to produce the maps published at 1:2,500,000 in the printed series "Ground Water Atlas of the United States". The published maps contain base and cultural features not included in these data. This is a replacement for the July 1998 map layer [...]

Contacts

Attached Files

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

aquifers_us.zip
“Download: Shapefile format”
7.43 MB application/zip
aquifers_map.jpg
“Image: Principal Aquifers”
thumbnail 140.85 KB image/jpeg

Purpose

These data are intended for use in publications, at a scale of 1:2,500,000 or smaller. Due to the small scale, the primary intended use is for This data set is appropriate for regional and national data display and analysis, rather than specific local data analysis.
Image: Principal Aquifers
Image: Principal Aquifers

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/P9Y2HOUJ

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