EDGAR Filing Documents for 0000067716-17-000052

Form SD - Specialized disclosure report:

SEC Accession No. 0000067716-17-000052

Filing Date

2017-05-25

Accepted

2017-05-25 15:14:52

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	SD	formsd2017.htm	SD	24141
2	EXHIBIT 1.01	ex1-01conflictmineralsrepo.htm	EX-1.01	622872
	Complete submission text file	0000067716-17-000052.txt		648225

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)