Exhibit 23(c)

                                 CONSENT OF ENGINEER

               We hereby consent to the incorporation by reference in this
          registration statement of the reference to our report, dated May
          9, 1994, which appears in the MDU Resources Group, Inc. Annual
          Report on Form 10-K for the year ended December 31, 1997.


          WEIR INTERNATIONAL MINING CONSULTANTS

           /s/ Dennis N. Kostic
          


          Des Plaines, Illinois
          February 18, 1999