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Filing metadata

Accession number: 0001140361-12-035897
Form type: Form 4
Filer: NORTHWEST NATURAL GAS CO
CIK: CIK 73020
Filed: Aug 08, 2012
Reporting period: Aug 06, 2012
Description: Insider transaction

Documents

0001140361-12-035897-index.htm

Complete submission

0001140361-12-035897.txt

directory listing

Filed by

NORTHWEST NATURAL GAS CO