Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-12-000117
Filing Date
2012-01-03
Accepted
2012-01-03 14:27:54
Documents
1
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 4427
  Complete submission text file 0001127602-12-000117.txt   5768
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 (Issuer) CIK: 0000067716 (see all company filings)

EIN.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address
Business Address
LEWIS RICHARD H (Reporting) CIK: 0001228526 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-03480 | Film No.: 12501391