<SEC-DOCUMENT>0000067716-11-000029.txt : 20110429
<SEC-HEADER>0000067716-11-000029.hdr.sgml : 20110429
<ACCEPTANCE-DATETIME>20110429155146
ACCESSION NUMBER:		0000067716-11-000029
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110426
ITEM INFORMATION:		Other Events
FILED AS OF DATE:		20110429
DATE AS OF CHANGE:		20110429

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDU RESOURCES GROUP INC
		CENTRAL INDEX KEY:			0000067716
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				410423660
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03480
		FILM NUMBER:		11794483

	BUSINESS ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503
		BUSINESS PHONE:		701-530-1059

	MAIL ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONTANA DAKOTA UTILITIES CO
		DATE OF NAME CHANGE:	19850429
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-k.htm
<DESCRIPTION>MDU RESOURCES GROUP, INC. FORM 8-K
<TEXT>
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<div style="LINE-HEIGHT: 10.25pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Date of Report (Date of earliest event reported):<font style="DISPLAY: inline; FONT-WEIGHT: bold">&#160;&#160;April 26, 2011</font></font></div>

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<div style="LINE-HEIGHT: 11.4pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: -6.2pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">1200 West Century Avenue</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Item 8.01&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Other Events.</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">This report is being filed in accordance with section 1503 of the &#8220;Dodd-Frank Wall Street Reform and Consumer Protection Act.&#8221;&#160;&#160;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.&#160;&#160;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.</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">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.</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Date:&#160;&#160;April 29, 2011</font></font></font></font></div>

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