Filing

SC 13G

SC 13G

0000355414-05-000101·ION GEOPHYSICAL CORP

Filing metadata

Accession number: 0000355414-05-000101
Form type: SC 13G
Filer: ION GEOPHYSICAL CORP
CIK: CIK 866609
Filed: Feb 11, 2005
Reporting period: Dec 31, 2004
Description: Passive 5%+ stake

Documents

0000355414-05-000101-index.htm

Complete submission

0000355414-05-000101.txt

directory listing

Filed by

ION GEOPHYSICAL CORP