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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-11-000073
Filing Date
2011-08-05
Accepted
2011-08-05 11:01:08
Documents
15
Period of Report
2011-06-30

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES GROUP, INC. 2ND QUARTER 2011 FORM 10-Q mduform10-q.htm 10-Q 2363431
2 NON-EMPLOYEE DIRECTOR STOCK COMPENSATION PLAN 5/12/11 exhibit10a.htm EX-10.A 38368
3 DIRECTORS' COMPENSATION POLICY 5/12/11 exhibit10b.htm EX-10.B 40467
4 SECTION 16 OFFICERS AND DIRECTORS WITH INDEMNIFICATION AGREEMENTS CHART exhibit10c.htm EX-10.C 33602
5 INSTRUMENT OF AMENDMENT TO MDUR 401(K) RETIREMENT PLAN 6/30/11 exhibit10d.htm EX-10.D 20934
6 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES AND exhibit12.htm EX-12 47318
7 CERTIFICATION OF CEO - SEC 302 SOX ACT 2002 exhibit31a.htm EX-31.A 12302
8 CERTIFICATION OF CFO - SEC 302 SOX ACT 2002 exhibit31b.htm EX-31.B 13573
9 CERTIFICATION OF CEO AND CFO - 18 USC SEC 1350 - SEC 906 SOX ACT 2002 exhibit32.htm EX-32 7803
  Complete submission text file 0000067716-11-000073.txt   11089302

Data Files

Seq Description Document Type Size
10 INSTANCE DOCUMENT mdu-20110630.xml EX-101.INS 1866443
11 SCHEMA DOCUMENT mdu-20110630.xsd EX-101.SCH 61699
12 CALCULATION LINKBASE DOCUMENT mdu-20110630_cal.xml EX-101.CAL 91330
13 LABEL LINKBASE DOCUMENT mdu-20110630_lab.xml EX-101.LAB 695493
14 PRESENTATION LINKBASE DOCUMENT mdu-20110630_pre.xml EX-101.PRE 329021
15 DEFINITION LINKBASE DOCUMENT mdu-20110630_def.xml EX-101.DEF 553032
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 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.: 111012782
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)