SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000898431-00-000069
Filing Date
2000-02-14
Accepted
2000-02-14 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A SC 13G/A 10515
  Complete submission text file 0000898431-00-000069.txt   12498
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.: 542456
SIC: 1382 Oil & Gas Field Exploration Services

Mailing Address ARROTT BLDG 401 WOOD STREET SUITE 1300 PITTSBURGH PA 15222
Business Address ARROTT BLDG 401 WOOD STREET STE 1300 PITTSBURGH PA 15222-1824
QUAKER CAPITAL MANAGEMENT CORP (Filed by) CIK: 0000911092 (see all company filings)

IRS No.: 251495646 | State of Incorp.: PA | Fiscal Year End: 1231