Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0000067716-13-000077
Filing Date
2013-05-20
Accepted
2013-05-20 14:12:51
Documents
1

Document Format Files

Seq Description Document Type Size
1 424B5 prospectussupplement-xmdue.htm 424B5 267281
  Complete submission text file 0000067716-13-000077.txt   268358
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: 424B5 | Act: 33 | File No.: 333-174326 | Film No.: 13857749
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)