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Filing metadata

Accession number: 0001127602-12-033252
Form type: Form 4
Filer: MDU RESOURCES GROUP INC
CIK: CIK 67716
Filed: Dec 10, 2012
Reporting period: Dec 07, 2012
Description: Insider transaction

Documents

0001127602-12-033252-index.htm

Complete submission

0001127602-12-033252.txt

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Filed by

MDU RESOURCES GROUP INC