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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000950124-97-000878
Filing Date
1997-02-14
Accepted
1997-02-14 00:00:00
Documents
1
SROs
NONE

Document Format Files

Seq Description Document Type Size
1 SC 13G SC 13G 7160
  Complete submission text file 0000950124-97-000878.txt   9132
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 7076 SOUTH ALTON WAY BUILDING H ENGLEWOOD CO 80112
Business Address 7076 S. ALTON WAY BUILDING H ENGLEWOOD CO 80112 3037413700
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 | Act: 34 | File No.: 005-47599 | Film No.: 97535238
SIC: 1382 Oil & Gas Field Exploration Services