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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-10-000068
Filing Date
2010-08-06
Accepted
2010-08-06 09:16:24
Documents
13
Period of Report
2010-06-30

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES GROUP, INC. 2ND QUARTER 2010 FORM 10-Q mduform10-q.htm 10-Q 1881891
2 INSTRUMENT OF AMENDMENT TO THE MDU RESOURCES GROUP, INC. 401(K) RETIREMENT PLAN, exhibit10a.htm EX-10.A 42697
3 AGREEMENT FOR TERMINATION OF CHANGE OF CONTROL EMPLOYMENT AGREEMENT, DATED JUNE exhibit10b.htm EX-10.B 8733
4 FORM OF NOTICE OF EXPIRATION OF COVERAGE PERIOD - CHANGE OF CONTROL EMPLOYMENT A exhibit10c.htm EX-10.C 5979
5 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES AND exhibit12.htm EX-12 47810
6 CERTIFICATION OF CHIEF EXECUTIVE OFFICER FILED PURSUANT TO SECTION 302 OF THE SA exhibit31a.htm EX-31.A 13940
7 CERTIFICATION OF CHIEF FINANCIAL OFFICER FILED PURSUANT TO SECTION 302 OF THE SA exhibit31b.htm EX-31.B 13700
8 CERTIFICATION OF CEO AND CFO FURNISHED PURSUANT TO 18 USC SECTION 1350, AS ADOPT exhibit32.htm EX-32 7834
  Complete submission text file 0000067716-10-000068.txt   6064604

Data Files

Seq Description Document Type Size
9 INSTANCE DOCUMENT mdu-20100630.xml EX-101.INS 901545
10 SCHEMA DOCUMENT mdu-20100630.xsd EX-101.SCH 24280
11 CALCULATION LINKBASE DOCUMENT mdu-20100630_cal.xml EX-101.CAL 49933
12 LABEL LINKBASE DOCUMENT mdu-20100630_lab.xml EX-101.LAB 201975
13 PRESENTATION LINKBASE DOCUMENT mdu-20100630_pre.xml EX-101.PRE 116685
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)

IRS No.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03480 | Film No.: 10996447
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)