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National Geologic Map Database

General Information

  • Title: Geologic map of the northwest Cascades, Washington
  • Author(s): Brown, E.H., Blackwell, D.L., Christenson, B.W., Frasse, F.I., Haugerud, R.A., Jones, J.T., and Leiggi, P.A.
  • Publishing Organization: Geological Society of America
  • Series and Number: Map and Chart Series MC-61
  • Publication Date: 1987
  • Map Scale: 1:100,000
  • Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.