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National Geologic Map Database

General Information

  • Title: The geology of Cape Ann, Massachusetts
  • Author(s): Shaler, N.S.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Annual Report 9 [p. 529-611]
  • Larger Work: Powell, J.W., Ninth Annual report of the United States Geological Survey to the Secretary of the Interior, 1887-1888
  • Publication Date: 1890
  • 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.