EDGAR Filing Documents for 0000067716-09-000112

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:

SEC Accession No. 0000067716-09-000112

Filing Date

2009-08-07

Accepted

2009-08-07 09:23:40

Documents

Period of Report

2009-06-30

Document Format Files

Seq	Description	Document	Type	Size
1	MDU RESOURCES GROUP, INC. 2ND QUARTER 2009 FORM 10-Q	mduform10-q.htm	10-Q	1854771
2	DIRECTORS' COMPENSATION POLICY, AS AMENDED MAY 14, 2009	exhibit10a.htm	EX-10.A	40629
3	MDU RESOURCES GROUP, INC. 401(K) RETIREMENT PLAN, AS RESTATED JUNE 1, 2009	exhibit10b.htm	EX-10.B	1040976
4	COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES AND	exhibit12.htm	EX-12	54646
5	CERTIFICATION OF CHIEF EXECUTIVE OFFICER FILED PURSUANT TO SECTION 302 OF THE SA	exhibit31a.htm	EX-31.A	12231
6	CERTIFICATION OF CHIEF FINANCIAL OFFICER FILED PURSUANT TO SECTION 302 OF THE SA	exhibit31b.htm	EX-31.B	14337
7	CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER FURNISHED P	exhibit32.htm	EX-32	8070
	Complete submission text file	0000067716-09-000112.txt		5712767

Data Files

Seq	Description	Document	Type	Size
8	XBRL INSTANCE DOCUMENT	mdu-20090630.xml	EX-101.INS	802352
9	XBRL TAXONOMY EXTENSION SCHEMA	mdu-20090630.xsd	EX-101.SCH	22139
10	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	mdu-20090630_cal.xml	EX-101.CAL	48235
11	XBRL TAXONOMY EXTENSION LABEL LINKBASE	mdu-20090630_lab.xml	EX-101.LAB	215184
12	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	mdu-20090630_pre.xml	EX-101.PRE	100639

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58506-5650

Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58506-5650 701-530-1059

MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)