National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001

This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. The data set represents the areas studied during the first decade of the NAWQA Program, from 1991-2001 ("cycle 1").

Data e Risorse

Campo Valore
accessLevel public
bureauCode {010:12}
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identifier USGS:fc1a985d-2a19-4058-8888-94a334f981fb
metadata_type geospatial
modified 20201117
old-spatial -127.872474, 22.877918, -65.356310, 51.601234
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash bb985be495a92a29364669eb4206eac79cec02f5
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-127.872474, 22.877918], [-127.872474, 51.601234], [ -65.356310, 51.601234], [ -65.356310, 22.877918], [-127.872474, 22.877918]]]}
theme {geospatial}
Gruppi
  • AmeriGEOSS
  • National Provider
  • North America
Tag
  • amerigeo
  • amerigeoss
  • aquifer-system
  • ckan
  • environment
  • geo
  • geoscientificinformation
  • geoss
  • ground-water
  • inlandwaters
  • national
  • national-water-quality-assessment-program
  • nawqa
  • north-america
  • river-basin
  • surface-water
  • united-states
  • usgs-fc1a985d-2a19-4058-8888-94a334f981fb
  • water-quality
isopen False
license_id notspecified
license_title License not specified
maintainer Kerie J. Hitt
maintainer_email kjhitt@usgs.gov
metadata_created 2025-11-21T23:55:27.775960
metadata_modified 2025-11-21T23:55:27.775964
notes This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. The data set represents the areas studied during the first decade of the NAWQA Program, from 1991-2001 ("cycle 1").
num_resources 2
num_tags 19
title National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001