X0202 3 2006-10-04 0 0000351231 DAWSON GEOPHYSICAL CO DWSN 0001377607 Crowl Melody 2101 S. WADLEY, SUITE 24 MIDLAND TX 79705 0 1 0 0 Treasurer Dawson Geophysical Company-common stock $0.33 1/3 par value 1500 D /s/ Melody Crowl 2006-10-06