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CORRESP Filing
MDU Resources (MDU) CORRESPCorrespondence with SEC
Filed: 2 Sep 11, 12:00am
September 2, 2011 |
Re: | MDU Resources Group, Inc. |
Form 10-K for Fiscal Year Ended December 31, 2010 | |
Filed February 23, 2011 | |
File No. 1-3480 |
Sincerely, | |||
/s/ Nicole A. Kivisto | |||
Nicole A. Kivisto | |||
Vice President, Controller and | |||
Chief Accounting Officer |