Form POS AM - Post-Effective amendments for registration statement:
SEC Accession No. 0000898080-10-000018
Filing Date
2010-04-19
Accepted
2010-04-19 11:42:49
Documents
2

Document Format Files

Seq Description Document Type Size
1 posam.htm POS AM 45289
3 dllogo.jpg GRAPHIC 9705
  Complete submission text file 0000898080-10-000018.txt   60274
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58506-5650
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58506-5650 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: POS AM | Act: 33 | File No.: 033-54486 | Film No.: 10756543
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)