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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000067716-11-000033
Filing Date
2011-05-03
Accepted
2011-05-02 19:42:13
Documents
2
Period of Report
2011-03-31
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES GROUP, INC. FORM 8-K form8-k.htm 8-K 26276
2 EXHIBIT 99 exhibit99.htm EX-99 546063
  Complete submission text file 0000067716-11-000033.txt   573610
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: 8-K | Act: 34 | File No.: 001-03480 | Film No.: 11802571
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)