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Filing
Form 5/A
Form 5/A
0001127602-18-002248
·
MDU RESOURCES GROUP INC
Filer
Filing index
Filing metadata
Accession number
0001127602-18-002248
Form type
Form 5/A
Filer
MDU RESOURCES GROUP INC
CIK
CIK 67716
Filed
Jan 23, 2018
Reporting period
Dec 31, 2017
Description
Annual insider statement
Documents
Filing index
0001127602-18-002248-index.htm
Complete submission
0001127602-18-002248.txt
All documents
directory listing
Filed by
MDU RESOURCES GROUP INC
CIK 67716
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