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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001085146-15-000393
Filing Date
2015-02-11
Accepted
2015-02-11 12:20:03
Documents
1

Document Format Files

Seq Description Document Type Size
1 ROBECO INVESTMENT MANAGEMENT INC. tge_21115.htm SC 13G 23373
  Complete submission text file 0001085146-15-000393.txt   24903
Mailing Address 101 E. PARK BLVD., SUITE 955 PLANO TX 75074
Business Address 101 E. PARK BLVD., SUITE 955 PLANO TX 75074 9728811099
TGC INDUSTRIES INC (Subject) CIK: 0000799165 (see all company filings)

IRS No.: 742095844 | State of Incorp.: TX | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-37717 | Film No.: 15598046
SIC: 1382 Oil & Gas Field Exploration Services

Mailing Address 909 THIRD AVENUE NEW YORK NY 10022
Business Address ONE BEACON STREET BOSTON MA 02108 2129089500
Boston Partners (Filed by) CIK: 0001386060 (see all company filings)

IRS No.: 980202744 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G