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Filing metadata

Accession number: 0001127602-10-015230
Form type: Form 4
Filer: MDU RESOURCES GROUP INC
CIK: CIK 67716
Filed: May 24, 2010
Reporting period: May 21, 2010
Description: Insider transaction

Documents

0001127602-10-015230-index.htm

Complete submission

0001127602-10-015230.txt

directory listing

Filed by

MDU RESOURCES GROUP INC