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Filing metadata

Accession number: 0001127602-11-015077
Form type: Form 3
Filer: MDU RESOURCES GROUP INC
CIK: CIK 67716
Filed: May 04, 2011
Reporting period: May 02, 2011
Description: Initial ownership

Documents

0001127602-11-015077-index.htm

Complete submission

0001127602-11-015077.txt

directory listing

Filed by

MDU RESOURCES GROUP INC