BROWN FRANK DOUGLAS
Related Filers (1)
Ownership (10)
4
Tuesday, 12/6/2005
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/10/2005
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 11/15/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/4/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4/A
Monday, 3/1/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 3/1/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
5
Monday, 3/1/2004
DAWSON GEOPHYSICAL CO: Annual statement of changes in beneficial ownership of securities
4
Wednesday, 1/21/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/20/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 1/6/2003
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities