Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-15-000059
Filing Date
2015-05-08
Accepted
2015-05-08 11:53:00
Documents
17
Period of Report
2015-03-31

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES GROUP 3-31-2015 FORM 10-Q mdu-3x31x2015form10xq.htm 10-Q 1418383
2 BYLAWS OF MDU RESOURCES GROUP, INC. EX 3 mdu-3312015q1ex3.htm EX-3 182329
3 MDU RESOURCES 401 K RETIREMENT PLAN EX 10.A mdu-3312015q1ex10a.htm EX-10.A 46152
4 MDU RESOURCES 401 K RETIREMENT PLAN EX 10.B mdu-331215q1ex10b.htm EX-10.B 23937
5 MDU RESOURCES SECTION 16 OFFICERS AND DIRECTORS EX10.C mdu-3312015q1ex10c.htm EX-10.C 32129
6 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES EX 12 mdu-3312015q1ex121.htm EX-12 39509
7 CERTIFICATION OF CHIEF EXECUTIVE OFFICE EX 31.A mdu-3312015q3ex31a.htm EX-31.A 9794
8 CERTIFICATION OF CHIEF FINANCIAL OFFICER EX 31.B mdu-3312015q1ex31b.htm EX-31.B 9218
9 CERTIFICATION CEO AND CFO EX 32 mdu-3312015q1ex32.htm EX-32 6413
10 MINE SAFETY DISCLOSURES EX 95 mdu-3312015q1ex951.htm EX-95 84400
17 bylawsmduresources41_image10.gif GRAPHIC 10647
  Complete submission text file 0000067716-15-000059.txt   11517371

Data Files

Seq Description Document Type Size
11 XBRL INSTANCE DOCUMENT mdu-20150331.xml EX-101.INS 1933880
12 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mdu-20150331.xsd EX-101.SCH 60869
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT mdu-20150331_cal.xml EX-101.CAL 95347
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mdu-20150331_def.xml EX-101.DEF 325057
15 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mdu-20150331_lab.xml EX-101.LAB 773292
16 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mdu-20150331_pre.xml EX-101.PRE 411884
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.: 15845217
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)