<SEC-DOCUMENT>0001104659-14-084407-index.html : 20141202
<SEC-HEADER>0001104659-14-084407.hdr.sgml : 20141202
<ACCEPTANCE-DATETIME>20141202160529
ACCESSION NUMBER:		0001104659-14-084407
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		20
FILED AS OF DATE:		20141202
DATE AS OF CHANGE:		20141202

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:		141260637

	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>a14-25444_2425.htm
<DESCRIPTION>PROSPECTUSES AND COMMUNICATIONS RE: BUSINESS COMBINATION TRANSACTIONS
<TEXT>
Document 1 - file: a14-25444_2425.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g254442bgi001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g254442bgi001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g254442bgi002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g254442bgi002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g254442bgi003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g254442bgi003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g254442bgi004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g254442bgi004.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g254442bgi005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g254442bgi005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g254442bgi006.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g254442bgi006.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g254442bgi007.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g254442bgi007.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g254442bgi008.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g254442bgi008.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g254442bgi009.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g254442bgi009.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g254442bgi010.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g254442bgi010.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g254442bgi011.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g254442bgi011.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g254442bgi012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g254442bgi012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g254442bgi013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g254442bgi013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g254442bgi014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g254442bgi014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g254442bgi015.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g254442bgi015.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g254442bgi016.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g254442bgi016.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g254442bgi017.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g254442bgi017.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g254442bgi018.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g254442bgi018.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g254442bei001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g254442bei001.gif

</DOCUMENT>
</SEC-DOCUMENT>