EDGAR Filing Documents for 0001086364-10-007669

Form SC 13G - Statement of Beneficial Ownership by Certain Investors:

SEC Accession No. 0001086364-10-007669

Filing Date

2010-01-29

Accepted

2010-01-29 14:58:21

Documents

Document Format Files

Seq	Description	Document	Type	Size
1		northwestpipe123109.txt	SC 13G	12663
	Complete submission text file	0001086364-10-007669.txt		14857

Mailing Address 295 CHIPETA WAY SALT LAKE CITY UT 84108

Business Address 295 CHIPETA WAY SALT LAKE CITY UT 84108 801-583-8800

NORTHWEST PIPELINE GP (Subject) CIK: 0000110019 (see all company filings)

IRS No.: 261157701 | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-35583 | Film No.: 10558178
SIC: 4922 Natural Gas Transmission

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055

Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300

BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G
SIC: 6211 Security Brokers, Dealers & Flotation Companies