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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-12-000791
Filing Date
2012-02-14
Accepted
2012-02-13 17:31:21
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A rrd048.htm SC 13G/A 50184
  Complete submission text file 0000354204-12-000791.txt   51982
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 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 2122 YORK ROAD OAK BROOK IL 60523
Business Address 2122 YORK ROAD OAK BROOK IL 60523 630-574-3000
Great Lakes Dredge & Dock CORP (Subject) CIK: 0001372020 (see all company filings)

IRS No.: 205336063 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-82317 | Film No.: 12600605
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors