Form CORRESP - Correspondence:
SEC Accession No. 0000067716-13-000057
Filing Date
2013-05-13
Accepted
2013-05-13 15:43:49
Documents
1

Document Format Files

Seq Description Document Type Size
1 filename1.htm CORRESP 55601
  Complete submission text file 0000067716-13-000057.txt   56597
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)