<SEC-DOCUMENT>0001104659-14-071091-index.html : 20141015 <SEC-HEADER>0001104659-14-071091.hdr.sgml : 20141009 <ACCEPTANCE-DATETIME>20141009165424 ACCESSION NUMBER: 0001104659-14-071091 CONFORMED SUBMISSION TYPE: 425 PUBLIC DOCUMENT COUNT: 43 FILED AS OF DATE: 20141009 DATE AS OF CHANGE: 20141009 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: DAWSON GEOPHYSICAL CO CENTRAL INDEX KEY: 0000351231 STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382] IRS NUMBER: 750970548 STATE OF INCORPORATION: TX FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: 425 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34404 FILM NUMBER: 141150561 BUSINESS ADDRESS: STREET 1: 508 WEST WALL STREET 2: SUITE 800 CITY: MIDLAND STATE: TX ZIP: 79701 BUSINESS PHONE: 9156843000 MAIL ADDRESS: STREET 1: 508 WEST WALL STREET 2: SUITE 800 CITY: MIDLAND STATE: TX ZIP: 79701 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: TGC INDUSTRIES INC CENTRAL INDEX KEY: 0000799165 STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382] IRS NUMBER: 742095844 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 425 BUSINESS ADDRESS: STREET 1: 101 E. PARK BLVD., SUITE 955 CITY: PLANO STATE: TX ZIP: 75074 BUSINESS PHONE: 9728811099 MAIL ADDRESS: STREET 1: 101 E. PARK BLVD., SUITE 955 CITY: PLANO STATE: TX ZIP: 75074 </SEC-HEADER> <DOCUMENT> <TYPE>425 <SEQUENCE>1 <FILENAME>a14-22149_18k.htm <DESCRIPTION>CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES <TEXT> Document 1 - file: a14-22149_18k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-2.1 <SEQUENCE>2 <FILENAME>a14-22149_1ex2d1.htm <DESCRIPTION>EX-2.1 <TEXT> Document 2 - file: a14-22149_1ex2d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.1 <SEQUENCE>3 <FILENAME>a14-22149_1ex10d1.htm <DESCRIPTION>EX-10.1 <TEXT> Document 3 - file: a14-22149_1ex10d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.2 <SEQUENCE>4 <FILENAME>a14-22149_1ex10d2.htm <DESCRIPTION>EX-10.2 <TEXT> Document 4 - file: a14-22149_1ex10d2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.3 <SEQUENCE>5 <FILENAME>a14-22149_1ex10d3.htm <DESCRIPTION>EX-10.3 <TEXT> Document 5 - file: a14-22149_1ex10d3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.4 <SEQUENCE>6 <FILENAME>a14-22149_1ex10d4.htm <DESCRIPTION>EX-10.4 <TEXT> Document 6 - file: a14-22149_1ex10d4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.5 <SEQUENCE>7 <FILENAME>a14-22149_1ex10d5.htm <DESCRIPTION>EX-10.5 <TEXT> Document 7 - file: a14-22149_1ex10d5.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.6 <SEQUENCE>8 <FILENAME>a14-22149_1ex10d6.htm <DESCRIPTION>EX-10.6 <TEXT> Document 8 - file: a14-22149_1ex10d6.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.7 <SEQUENCE>9 <FILENAME>a14-22149_1ex10d7.htm <DESCRIPTION>EX-10.7 <TEXT> Document 9 - file: a14-22149_1ex10d7.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.8 <SEQUENCE>10 <FILENAME>a14-22149_1ex10d8.htm <DESCRIPTION>EX-10.8 <TEXT> Document 10 - file: a14-22149_1ex10d8.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.9 <SEQUENCE>11 <FILENAME>a14-22149_1ex10d9.htm <DESCRIPTION>EX-10.9 <TEXT> Document 11 - file: a14-22149_1ex10d9.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>12 <FILENAME>a14-22149_1ex99d1.htm <DESCRIPTION>EX-99.1 <TEXT> Document 12 - file: a14-22149_1ex99d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>13 <FILENAME>a14-22149_1ex99d2.htm <DESCRIPTION>EX-99.2 <TEXT> Document 13 - file: a14-22149_1ex99d2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.3 <SEQUENCE>14 <FILENAME>a14-22149_1ex99d3.htm <DESCRIPTION>EX-99.3 <TEXT> Document 14 - file: a14-22149_1ex99d3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.4 <SEQUENCE>15 <FILENAME>a14-22149_1ex99d4.htm <DESCRIPTION>EX-99.4 <TEXT> Document 15 - file: a14-22149_1ex99d4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.5 <SEQUENCE>16 <FILENAME>a14-22149_1ex99d5.htm <DESCRIPTION>EX-99.5 <TEXT> Document 16 - file: a14-22149_1ex99d5.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>g221481ng03i002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: g221481ng03i002.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>g221491mqi002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 43 - file: g221491mqi002.jpg
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