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General Information

  • Title: Pyrophyllite and kyanite and related minerals in the United States, exclusive of Alaska and Hawaii
  • Author(s): Espenshade, G.H.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Mineral Investigations Resources Map MR-18
  • Publication Date: 1962
  • Map Scale: 1:3,168,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.