3 | SEC Filings Hub

Filing metadata

Accession number: 0001127602-13-017860
Form type: Form 3
Filer: MDU RESOURCES GROUP INC
CIK: CIK 67716
Filed: May 22, 2013
Reporting period: May 16, 2013
Description: Initial ownership

Documents

0001127602-13-017860-index.htm

Complete submission

0001127602-13-017860.txt

directory listing

Filed by

MDU RESOURCES GROUP INC