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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000950144-01-000707
Filing Date
2001-01-10
Accepted
2001-01-10 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 0001.txt SC 13G/A 7501
  Complete submission text file 0000950144-01-000707.txt   9646
Mailing Address 508 WEST WALL SUITE 800 MIDLAND TX 79701
Business Address 508 WEST WALL SUITE 800 MIDLAND TX 79701 9156843000
DAWSON GEOPHYSICAL CO (Subject) CIK: 0000351231 (see all company filings)

IRS No.: 750970548 | State of Incorp.: TX | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-39364 | Film No.: 1505101
SIC: 1382 Oil & Gas Field Exploration Services

Mailing Address 1315 PEACHTREE ST NE C/O INVESCO ALTANTA GA 30309
Business Address 11 DEVONSHIRE SQUARE LONDON EC2M 4YR X0 011447162634
AMVESCAP PLC \GA\ (Filed by) CIK: 0000864047 (see all company filings)

IRS No.: 630780404 | State of Incorp.: CO | Fiscal Year End: 1231
SIC: 0000