DAWSON GEOPHYSICAL CO — Director's Dealing 2010

Nov 17, 2010

SEC Form 4/A — Form 4/A

Issuer: TGC INDUSTRIES INC (TGE)
CIK: 0000799165
Period of Report: 2010-11-15

Reporting Person: HURTT STEPHANIE P (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-15	Common Stock	S	46452	$3.57	Disposed	111898.75	Indirect

Footnotes

F1: Reporting person disclaims beneficial ownership of shares owned by the William C. Hurtt Jr. Family GST Exempt Trust except to the extent of reporting persons pecuniary interest. Reporting person is a Co-Trustee of the Trust.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.55 to $3.60, inclusive. The reporting person undertakes to provide TGC Industries, Inc. (TGE), any security holder of TGE, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.