# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-19-000060
Filing Date
2019-08-02
Accepted
2019-08-02 09:15:34
Documents
120
Period of Report
2019-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES FORM 10-Q 6-30-2019 | a2019q2form10-q.htm iXBRL | 10-Q | 3317753
2 | MDU RESOURCES CEHI NPA 12-20-2012 | a2019q2ex4a.htm | EX-4.A | 586497
3 | MDU RESOURCES DIRECTOR COMPENSATION POLICY 5-8-2019 | a2019q2ex10a.htm | EX-10.A | 34679
4 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 4-25-2018 | a2019q2ex10b.htm | EX-10.B | 16588
5 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 9-6-2018 | a2019q2ex10c.htm | EX-10.C | 63307
6 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 12-20-2018 | a2019q2ex10d.htm | EX-10.D | 11837
7 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT 3-22-2019 | a2019q2ex10e.htm | EX-10.E | 47743
8 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2019q2ex31a.htm | EX-31.A | 9817
9 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2019q2ex31b.htm | EX-31.B | 9248
10 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2019q2ex32.htm | EX-32 | 6874
11 | MDU RESOURCES MINE SAFETY DISCLOSURES | a2019q2ex95.htm | EX-95 | 102495
| Complete submission text file | 0000067716-19-000060.txt |  | 15485715

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
12 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20190630.xsd | EX-101.SCH | 66752
13 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20190630_cal.xml | EX-101.CAL | 113635
14 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20190630_def.xml | EX-101.DEF | 459404
15 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20190630_lab.xml | EX-101.LAB | 920593
16 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20190630_pre.xml | EX-101.PRE | 575977
17 | EXTRACTED XBRL INSTANCE DOCUMENT | a2019q2form10-q_htm.xml | XML | 3532390

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03480 | Film No.: 19994585
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)