<SEC-DOCUMENT>0001104659-19-010126-index.html : 20190222
<SEC-HEADER>0001104659-19-010126.hdr.sgml : 20190222
<ACCEPTANCE-DATETIME>20190222170933
ACCESSION NUMBER:		0001104659-19-010126
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20190222
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190222
DATE AS OF CHANGE:		20190222

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:				301133956
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03480
		FILM NUMBER:		19626613

	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>a19-5105_38k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a19-5105_38k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>a19-5105_3ex1d1.htm
<DESCRIPTION>EX-1.1
<TEXT>
Document 2 - file: a19-5105_3ex1d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>a19-5105_3ex5d1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: a19-5105_3ex5d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g51053kci001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g51053kci001.jpg

</DOCUMENT>
</SEC-DOCUMENT>