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National Geologic Map Database

General Information

  • Title: General geology, Part 1
  • Author(s): Jaggar, T.A., Jr.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Professional Paper 26 [p. 7-41]
  • Larger Work: Irving, J.D., Economic resources of the northern Black Hills
  • Publication Date: 1904
  • Map Scale: 1:237,598
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.