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Filing metadata

Accession number: 0001127602-17-033179
Form type: Form 4
Filer: MDU RESOURCES GROUP INC
CIK: CIK 67716
Filed: Nov 22, 2017
Reporting period: Nov 21, 2017
Description: Insider transaction

Documents

0001127602-17-033179-index.htm

Complete submission

0001127602-17-033179.txt

directory listing

Filed by

MDU RESOURCES GROUP INC