Form UPLOAD - SEC-generated letter:
SEC Accession No. 0000000000-22-004041
Filing Date
2022-04-14
Accepted
2022-04-14 15:30:03
Documents
2

Document Format Files

Seq Description Document Type Size
1 filename1.pdf LETTER 29614
2 filename2.txt TEXT-EXTRACT 4412
  Complete submission text file 0000000000-22-004041.txt   45877
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 (Filed for) CIK: 0000067716 (see all company filings)

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