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National Geologic Map Database

General Information

  • Title: Preliminary fracture characterization map of the Ayer quadrangle, Massachusetts
  • Author(s): Kopera, J.P., Mabee, S.B., and Powers, D.C.
  • Publishing Organization: Office of the Massachusetts State Geologist
  • Series and Number: Open-File Report OFR-06-03
  • Publication Date: 2006
  • Map Scale: 1:24,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.