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Filing metadata

Accession number: 0001209191-12-056055
Form type: Form 3
Filer: ION GEOPHYSICAL CORP
CIK: CIK 866609
Filed: Dec 06, 2012
Reporting period: Nov 30, 2012
Description: Initial ownership

Documents

0001209191-12-056055-index.htm

Complete submission

0001209191-12-056055.txt

directory listing

Filed by

ION GEOPHYSICAL CORP