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Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001104659-14-081142
Filing Date
2014-11-17
Accepted
2014-11-17 07:10:03
Documents
4

Document Format Files

Seq Description Document Type Size
1 CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES a14-24593_18k.htm 425 34159
2 EX-99.1 a14-24593_1ex99d1.htm EX-99.1 21637
3 GRAPHIC g245931mmi001.gif GRAPHIC 3275
4 GRAPHIC g245931mmi002.jpg GRAPHIC 3116
  Complete submission text file 0001104659-14-081142.txt   66440
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.: 141226345
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