Form 11-K - Annual report of employee stock purchase, savings and similar plans:
SEC Accession No. 0000067716-14-000080
Filing Date
2014-06-18
Accepted
2014-06-18 12:41:37
Documents
2
Period of Report
2013-12-31

Document Format Files

Seq Description Document Type Size
1 11-K a401k2013.htm 11-K 340616
2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM exhibit231.htm EX-23 2562
  Complete submission text file 0000067716-14-000080.txt   344289
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: 11-K | Act: 34 | File No.: 001-03480 | Film No.: 14927313
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)