SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0001519058-12-000053
Form type: SC 13G
Filer: NORTHWEST NATURAL GAS CO
CIK: CIK 73020
Filed: Feb 09, 2012
Reporting period: Dec 31, 2011
Description: Passive 5%+ stake

Documents

0001519058-12-000053-index.htm

Complete submission

0001519058-12-000053.txt

directory listing

Filed by

NORTHWEST NATURAL GAS CO