Surficial geology of the Southwest Principal Aquifers (SWPA) study

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.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
datagov_dedupe_retained 20220725164314
identifier USGS:f1a84b90-50a7-4a42-9a1c-71d86818f7dd
metadata_type geospatial
modified 20201117
old-spatial {"type": "Polygon", "coordinates": [[[-125.044938, 29.277840], [-125.044938, 44.763995], [ -104.478499, 44.763995], [ -104.478499, 29.277840], [-125.044938, 29.277840]]]}
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 56c0a73f1014247cbd6288b93e4caf3a1afc7bee
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-125.044938, 29.277840], [-125.044938, 44.763995], [ -104.478499, 44.763995], [ -104.478499, 29.277840], [-125.044938, 29.277840]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • arizona
  • california
  • ckan
  • colorado
  • geo
  • geology
  • geoscientificinformation
  • geoss
  • inlandwaters
  • national
  • nevada
  • new-mexico
  • north-america
  • southwest
  • united-states
  • usgs-f1a84b90-50a7-4a42-9a1c-71d86818f7dd
  • utah
isopen False
license_id notspecified
license_title License not specified
maintainer U.S. Geological Survey, Utah Water Science Center
maintainer_email mierardi@usgs.gov
metadata_created 2025-11-20T09:36:28.173715
metadata_modified 2025-11-20T09:36:28.173719
notes 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.
num_resources 2
num_tags 19
title Surficial geology of the Southwest Principal Aquifers (SWPA) study