Form CORRESP - Correspondence:
SEC Accession No. 0000067716-11-000079
Filing Date
2011-09-29
Accepted
2011-09-29 15:00:21
Documents
1

Document Format Files

Seq Description Document Type Size
1 filename1.htm CORRESP 147077
  Complete submission text file 0000067716-11-000079.txt   148073
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: CORRESP
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)