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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000067716-06-000146
Filing Date
2006-11-03
Accepted
2006-11-03 15:36:15
Documents
5
Period of Report
2006-09-30

Document Format Files

Seq Description Document Type Size
1 MDU 3RD QUARTER 2006 10-Q mdu3rdqtr10q.htm 10-Q 2005991
2 COMPUTATION OF RATIO EARNINGS TO CHARGES compofratio.htm EX-12 68097
3 CEO CERTIFICATION TO SECTION 302 ceocertsec302.htm EX-31.A 13418
4 CFO CERTIFICATION TO SECTION 302 cfocertsec302.htm EX-31.B 13900
5 CEO & CFO CERTIFICATION TO SECTION 906 ceocfocertsec906.htm EX-32 7953
  Complete submission text file 0000067716-06-000146.txt   2110893
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58506-5650
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58506-5650 701-530-1013
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.: 061186717
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)