# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-15-000096
Filing Date
2015-11-06
Accepted
2015-11-06 09:25:47
Documents
12
Period of Report
2015-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES FORM 10-Q | a2015q3form10-q.htm | 10-Q | 1876407
2 | COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES | a2015q3ex12.htm | EX-12 | 36587
3 | CERTIFICATION OF CHIEF EXECUTIVE OFFICE EX 31.A | a2015q3ex31a.htm | EX-31.A | 9779
4 | CERTIFICATION OF CHIEF FINANCIAL OFFICER EX 31.B | a2015q3ex31b.htm | EX-31.B | 9214
5 | CERTIFICATION CEO AND CFO EX 32 | a2015q3ex32.htm | EX-32 | 6414
6 | MINE SAFETY DISCLOSURES EX 95 | a2015q3ex95.htm | EX-95 | 97684
| Complete submission text file | 0000067716-15-000096.txt |  | 10728054

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL INSTANCE DOCUMENT | mdu-20150930.xml | EX-101.INS | 2760749
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20150930.xsd | EX-101.SCH | 64449
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20150930_cal.xml | EX-101.CAL | 132711
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20150930_def.xml | EX-101.DEF | 381953
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20150930_lab.xml | EX-101.LAB | 876066
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20150930_pre.xml | EX-101.PRE | 475661

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.: 151202675
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)