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Filing metadata

Accession number: 0001140361-12-012777
Form type: Form 4
Filer: NORTHWEST NATURAL GAS CO
CIK: CIK 73020
Filed: Mar 02, 2012
Reporting period: Feb 29, 2012
Description: Insider transaction

Documents

0001140361-12-012777-index.htm

Complete submission

0001140361-12-012777.txt

directory listing

Filed by

NORTHWEST NATURAL GAS CO