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General Information

  • Title: Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan
  • Author(s): Bornhorst, T.J., and Johnson, R.C.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 1904-P
  • Larger Work: Contributions to Precambrian geology of Lake Superior region
  • Publication Date: 1993
  • Map Scale: 1:217,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.