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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-16-000148
Filing Date
2016-05-06
Accepted
2016-05-06 09:23:25
Documents
86
Period of Report
2016-03-31

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES FORM 10-Q 3-31-2016 a2016q1form10-q.htm 10-Q 1414902
2 MDU RESOURCES SUPPLEMENTAL INCOME SECURITY PLAN 2-11-2016 a2016q1ex10a.htm EX-10.A 332883
3 MDU RESOURCES EXECUTIVE INCENTIVE COMPENSATION PLAN AMENDED 2-11-2016 a2016q1ex10b.htm EX-10.B 94689
4 MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 1-22-2016 a2016q1ex10c.htm EX-10.C 24559
5 MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 3-10-2016 a2016q1ex10d.htm EX-10.D 10804
6 MDU RESOURCES SECTION 16 OFFICERS AND DIRECTORS a2016q1ex10e.htm EX-10.E 30933
7 MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES a2016q1ex12.htm EX-12 36701
8 MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER a2016q1ex31a.htm EX-31.A 9814
9 MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER a2016q1ex31b.htm EX-31.B 9237
10 MDU RESOURCES CERTIFICATION OF CEO AND CFO a2016q1ex32.htm EX-32 6450
11 MDU RESOURCES MINE SAFETY DISCLOSURES a2016q1ex95.htm EX-95 91183
  Complete submission text file 0000067716-16-000148.txt   9329023

Data Files

Seq Description Document Type Size
12 XBRL INSTANCE DOCUMENT mdu-20160331.xml EX-101.INS 2105156
13 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mdu-20160331.xsd EX-101.SCH 59005
14 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT mdu-20160331_cal.xml EX-101.CAL 122627
15 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mdu-20160331_def.xml EX-101.DEF 368283
16 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mdu-20160331_lab.xml EX-101.LAB 841395
17 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mdu-20160331_pre.xml EX-101.PRE 457636
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.: 161626125
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)