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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000950131-98-000784
Filing Date
1998-02-06
Accepted
1998-02-06 00:00:00
Documents
1
SROs
NONE

Document Format Files

Seq Description Document Type Size
1 3-D GEOPHYSICAL, INC. SC 13G/A 9362
  Complete submission text file 0000950131-98-000784.txt   11358
Mailing Address 790 NORTH MILWAUKEE STREET MILWAUKEE WI 53202
Business Address 790 NORTH MILWAUKEE STREET MILWAUKEE WI 53202 4143477777
HEARTLAND ADVISORS INC (Filed by) CIK: 0000937394 (see all company filings)

IRS No.: 391078128 | State of Incorp.: WI | Fiscal Year End: 0930

Mailing Address 8226 PARK MEADOWS DRIVE BUILDING H LITTLETON CO 80124
Business Address 8226 PARK MEADOWS DRIVE BUILDING H LITTLETON CO 80124 3038580500
3-D GEOPHYSICAL INC (Subject) CIK: 0001003382 (see all company filings)

IRS No.: 133841601 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-47599 | Film No.: 98523496
SIC: 1382 Oil & Gas Field Exploration Services