Form CORRESP - Correspondence:
SEC Accession No. 0000067716-22-000022
Filing Date
2022-04-26
Accepted
2022-04-26 11:08:17
Documents
1

Document Format Files

Seq Description Document Type Size
1 filename1.htm CORRESP 6640
  Complete submission text file 0000067716-22-000022.txt   7605
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: CORRESP
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)