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National Geologic Map Database

General Information

  • Title: Surficial geologic map of the Two Ocean Pass quadrangle, Yellowstone National Park and adjoining area, Wyoming
  • Author(s): Richmond, G.M., and Pierce, K.L.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Geologic Investigations Map I-635
  • Publication Date: 1971
  • Map Scale: 1:62,500
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.