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Filing metadata

Accession number: 0001445525-11-000012
Form type: Form 4
Filer: NORTHWEST PIPE CO
CIK: CIK 1001385
Filed: May 16, 2011
Reporting period: May 12, 2011
Description: Insider transaction

Documents

0001445525-11-000012-index.htm

Complete submission

0001445525-11-000012.txt

directory listing

Filed by

NORTHWEST PIPE CO