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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-11-001151
Filing Date
2011-02-11
Accepted
2011-02-11 14:11:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd474.htm SC 13G/A 50163
  Complete submission text file 0000354204-11-001151.txt   52228
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661
Business Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661 3603976250
NORTHWEST PIPE CO (Subject) CIK: 0001001385 (see all company filings)

IRS No.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44989 | Film No.: 11597710
SIC: 3317 Steel Pipe & Tubes