SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000932471-12-001985
Form type: SC 13G
Filer: NORTHWEST NATURAL GAS CO
CIK: CIK 73020
Filed: Feb 08, 2012
Reporting period: —
Description: Passive 5%+ stake

Documents

0000932471-12-001985-index.htm

Complete submission

0000932471-12-001985.txt

directory listing

Filed by

NORTHWEST NATURAL GAS CO