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Continued: Mining in Minnesota -- regulation needed

  • Article by: ROLF WESTGARD
  • Last update: June 20, 2013 - 9:10 PM

Rolf Westgard is a professional member of the Geological Society of America and is adjunct faculty on energy subjects for the University of Minnesota’s Lifelong Learning program. His fall-quarter class is “Minnesota’s Volcanic Geologic History; from Mountain Building to Minerals.”

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