SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000093748-11-000001
Form type: SC 13G
Filer: NORTHWEST NATURAL GAS CO
CIK: CIK 73020
Filed: Jan 07, 2011
Reporting period: Dec 31, 2010
Description: Passive 5%+ stake

Documents

0000093748-11-000001-index.htm

Complete submission

0000093748-11-000001.txt

directory listing

Filed by

NORTHWEST NATURAL GAS CO