Form 8-K - Current report:
SEC Accession No. 0000067716-14-000117
Filing Date
2014-09-23
Accepted
2014-09-23 10:36:02
Documents
1
Period of Report
2014-09-18
Items
Item 1.04: Mine Safety - Reporting of Shutdowns and Patterns of Violations

Document Format Files

Seq Description Document Type Size
1 8-K form8k-item104.htm 8-K 23129
  Complete submission text file 0000067716-14-000117.txt   24322
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.: 141115329
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)