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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)

IRS No.: 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)