# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000067716-17-000017
Filing Date
2017-02-24
Accepted
2017-02-24 09:35:51
Documents
149
Period of Report
2016-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES 2016 FORM 10-K | a2016form10-k.htm | 10-K | 4205632
2 | MDU RESOURCES SECTION 16 OFFICERS AND DIRECTORS | a2016ex10n.htm | EX-10.N | 28030
3 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 12-29-2016 | a2016ex10as.htm | EX-10.AS | 77321
4 | MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES | a2016ex12.htm | EX-12 | 69793
5 | MDU RESOURCES SUBSIDIARIES OF MDU RESOURCES | a2016ex21.htm | EX-21 | 71301
6 | MDU RESOURCES CONSENT OF INDEPENDENT ACCOUNTING FIRM | a2016ex23.htm | EX-23 | 2894
7 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2016ex31a.htm | EX-31.A | 10447
8 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2016ex31b.htm | EX-31.B | 10429
9 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2016ex32.htm | EX-32 | 6925
10 | MDU RESOURCES MINE SAFETY DISCLOSURES | a2016ex95.htm | EX-95 | 213824
| Complete submission text file | 0000067716-17-000017.txt |  | 22628701

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
11 | XBRL INSTANCE DOCUMENT | mdu-20161231.xml | EX-101.INS | 5593866
12 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20161231.xsd | EX-101.SCH | 118310
13 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20161231_cal.xml | EX-101.CAL | 197781
14 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20161231_def.xml | EX-101.DEF | 874751
15 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20161231_lab.xml | EX-101.LAB | 1687384
16 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20161231_pre.xml | EX-101.PRE | 1090198

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-K | Act: 34 | File No.: 001-03480 | Film No.: 17635010
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)