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National Geologic Map Database

General Information

  • Title: Federal standards and procedures for the national Watershed Boundary Dataset (WBD)
  • Author(s): Jones, K.A., Niknami, L.S., Butto, S.G., and Decker, D.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Techniques and Methods TM11-A3
  • Publication Date: 2022
  • Map Scale: 1:62,464,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.