# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-17-000042
Filing Date
2017-05-08
Accepted
2017-05-08 09:43:52
Documents
83
Period of Report
2017-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES FORM 10-Q 3-31-2017 | a2017q1form10-q.htm | 10-Q | 1352073
2 | MDU RESOURCES 401 K RETIREMENT PLAN RESTATEMENT 1-1-2017 | a2017q1ex10a.htm | EX-10.A | 971221
3 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 3-31-17 | a2017q1ex10b.htm | EX-10.B | 24045
4 | MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES | a2017q1ex12.htm | EX-12 | 36695
5 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2017q1ex31a.htm | EX-31.A | 9814
6 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2017q1ex31b.htm | EX-31.B | 9237
7 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2017q1ex32.htm | EX-32 | 6449
8 | MDU RESOURCES MINE SAFETY DISCLOSURES | a2017q1ex95.htm | EX-95 | 92186
| Complete submission text file | 0000067716-17-000042.txt |  | 9624234

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL INSTANCE DOCUMENT | mdu-20170331.xml | EX-101.INS | 2003559
10 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20170331.xsd | EX-101.SCH | 57056
11 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20170331_cal.xml | EX-101.CAL | 126287
12 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20170331_def.xml | EX-101.DEF | 386010
13 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20170331_lab.xml | EX-101.LAB | 792550
14 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20170331_pre.xml | EX-101.PRE | 469508

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)

EIN.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03480 | Film No.: 17820859
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)