<SEC-DOCUMENT>0001104659-19-000026-index.html : 20190102
<SEC-HEADER>0001104659-19-000026.hdr.sgml : 20190102
<ACCEPTANCE-DATETIME>20190102083105
ACCESSION NUMBER:		0001104659-19-000026
CONFORMED SUBMISSION TYPE:	8-K12B
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20181231
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Material Modifications to Rights of Security Holders
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190102
DATE AS OF CHANGE:		20190102

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-K12B
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03480
		FILM NUMBER:		19500120

	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-K12B
<SEQUENCE>1
<FILENAME>a18-41510_68k12b.htm
<DESCRIPTION>8-K12B
<TEXT>
Document 1 - file: a18-41510_68k12b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.(A)
<SEQUENCE>2
<FILENAME>a18-41510_6ex2da.htm
<DESCRIPTION>EX-2.(A)
<TEXT>
Document 2 - file: a18-41510_6ex2da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.(A)
<SEQUENCE>3
<FILENAME>a18-41510_6ex3da.htm
<DESCRIPTION>EX-3.(A)
<TEXT>
Document 3 - file: a18-41510_6ex3da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.(B)
<SEQUENCE>4
<FILENAME>a18-41510_6ex3db.htm
<DESCRIPTION>EX-3.(B)
<TEXT>
Document 4 - file: a18-41510_6ex3db.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)
<SEQUENCE>5
<FILENAME>a18-41510_6ex99da.htm
<DESCRIPTION>EX-99.(A)
<TEXT>
Document 5 - file: a18-41510_6ex99da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(B)
<SEQUENCE>6
<FILENAME>a18-41510_6ex99db.htm
<DESCRIPTION>EX-99.(B)
<TEXT>
Document 6 - file: a18-41510_6ex99db.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g415106km01i001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g415106km01i001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g415106ki03i001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g415106ki03i001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g415106mmi001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g415106mmi001.jpg

</DOCUMENT>
</SEC-DOCUMENT>