UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
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FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): April 26, 2011
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MDU Resources Group, Inc.
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(Exact name of registrant as specified in its charter)
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Delaware
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1-3480
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41-0423660
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(State or other jurisdiction of
incorporation)
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(Commission
File Number)
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(I.R.S. Employer
Identification No.)
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1200 West Century Avenue
P.O. Box 5650
Bismarck, North Dakota 58506-5650
(Address of principal executive offices)
(Zip Code)
Registrant’s telephone number, including area code: (701) 530-1000
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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Item 8.01 Other Events.
This report is being filed in accordance with section 1503 of the “Dodd-Frank Wall Street Reform and Consumer Protection Act.” On April 26, 2011, Hawaiian Cement, an indirect subsidiary of MDU Resources Group, Inc., received an imminent danger order issued by the Mine Safety and Health Administration under section 107(a) of the Federal Mine Safety and Health Act of 1977 at the Waikapu Quarry in Wailuku, Hawaii. The order was issued when a customer was observed standing on top of a loaded truck but was not wearing fall protection. The customer proceeded to climb off of the truck and the order was terminated.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: April 29, 2011
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MDU Resources Group, Inc.
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By:
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/s/ Paul K. Sandness
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Paul K. Sandness
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General Counsel and Secretary
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