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Filing metadata

Accession number: 0001140361-10-008893
Form type: Form 4
Filer: NORTHWEST NATURAL GAS CO
CIK: CIK 73020
Filed: Feb 26, 2010
Reporting period: Feb 24, 2010
Description: Insider transaction

Documents

0001140361-10-008893-index.htm

Complete submission

0001140361-10-008893.txt

directory listing

Filed by

NORTHWEST NATURAL GAS CO