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Filing Detail
Form 424B2 - Prospectus [Rule 424(b)(2)]:
SEC Accession No. 0001193125-11-227473
Filing Date
2011-08-19
Accepted
2011-08-19 14:47:51
Documents
2

Document Format Files

Seq Description Document Type Size
1 PROSPECTUS SUPPLEMENT d424b2.htm 424B2 244598
2 GRAPHIC g219904g40i37.jpg GRAPHIC 8867
  Complete submission text file 0001193125-11-227473.txt   257800
Mailing Address
Business Address 220 NW SECOND AVE PORTLAND OR 97209 5032264211
NORTHWEST NATURAL GAS CO (Filer) CIK: 0000073020 (see all company filings)

IRS No.: 930256722 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 424B2 | Act: 33 | File No.: 333-171596 | Film No.: 111047115
SIC: 4924 Natural Gas Distribution