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Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001104659-11-015440
Filing Date
2011-03-21
Accepted
2011-03-21 06:06:53
Documents
18

Document Format Files

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  Complete submission text file 0001104659-11-015440.txt   3435893
Mailing Address 508 WEST WALL SUITE 800 MIDLAND TX 79701
Business Address 508 WEST WALL SUITE 800 MIDLAND TX 79701 9156843000
DAWSON GEOPHYSICAL CO (Subject) CIK: 0000351231 (see all company filings)

IRS No.: 750970548 | State of Incorp.: TX | Fiscal Year End: 0930
Type: 425 | Act: 34 | File No.: 001-34404 | Film No.: 11699755
SIC: 1382 Oil & Gas Field Exploration Services

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 (Filed by) CIK: 0000799165 (see all company filings)

IRS No.: 742095844 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 425
SIC: 1382 Oil & Gas Field Exploration Services