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  1. Water Mission Area National Spatial Data Infrastructure Datasets
  2. Surficial geology of the Southwest Principal Aquifers (SWPA) study

Surficial geology of the Southwest Principal Aquifers (SWPA) study

Dates

Release Date
2008-01-01
Start Date
1992
End Date
1997
Publication Date

Citation

McKinney, T.S., 2008, Surficial geology of the Southwest Principal Aquifers (SWPA) study: U.S. Geological Survey data release, https://doi.org/10.5066/P9SXIIAY.

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 is a 100-meter cell resolution raster dataset consisting of 1:750,000-scale surficial geology for California and 1:500,000-scale for Nevada, and parts of Utah, Colorado, New Mexico, and Arizona. This data set was aggregated from a compilation of geologic maps of the Southwest Regional GAP Analysis Project (ReGAP) along with California geology and the very southern portion of Oregon and Idaho geology.

Contacts

Point of Contact :
U.S. Geological Survey, Utah Water Science Center
Originator :
Tim S. McKinney
Metadata Contact :
U.S. Geological Survey
SDC Data Owner :
Utah Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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sir2008-5239_swpa_geo.xml
Original FGDC Metadata
View 		18.58 KB application/fgdc+xml
SIR2008-5239_swpa_geo.zip 7.21 MB application/zip
sir2008-5239_swpa_geo.jpg thumbnail 55.96 KB image/jpeg

Purpose

This dataset was created for use by the Southwest Principal Aquifer (SWPA) study to help characterize conceptual models of case studied National Water-Quality Assessment (NAWQA) Program alluvial basins as well as the possible natural and anthropogenic factors that may affect water quality.
Illlustration of data set
Illlustration of data set

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  • Model Data Management Function (MDMF)

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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/P9SXIIAY

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