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National Geologic Map Database

General Information

  • Title: The U.S. Geological Survey National Water Quality Network—groundwater—2023
  • Author(s): Lindsey, B.D., and Kingsbury, J.A.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: General Information Product GIP-247
  • Publication Date: 2024
  • Map Scale: 1:45,578,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.