Form 8-K - Current report:
SEC Accession No. 0000067716-13-000046
Filing Date
2013-05-06
Accepted
2013-05-06 15:13:00
Documents
1
Period of Report
2013-05-01
Items
Item 1.04: Mine Safety - Reporting of Shutdowns and Patterns of Violations

Document Format Files

Seq Description Document Type Size
1 MDU RESOURCES GROUP, INC. FORM 8-K ITEM 1.04 mduform8-k.htm 8-K 20749
  Complete submission text file 0000067716-13-000046.txt   21941
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: 8-K | Act: 34 | File No.: 001-03480 | Film No.: 13815793
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)