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Filing Detail
Form DEFR14A - Revised definitive proxy soliciting materials:
SEC Accession No. 0000950123-11-049219
Filing Date
2011-05-12
Accepted
2011-05-12 10:31:24
Documents
1
Effectiveness Date
2011-05-12

Document Format Files

Seq Description Document Type Size
1 DEFR14A h82263defr14a.htm DEFR14A 35505
  Complete submission text file 0000950123-11-049219.txt   36627
Mailing Address 2105 CITYWEST BLVD SUITE 400 HOUSTON TX 770422839
Business Address 2105 CITYWEST BLVD SUITE 400 HOUSTON TX 770422839 281.933.3339
ION GEOPHYSICAL CORP (Filer) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFR14A | Act: 34 | File No.: 001-12691 | Film No.: 11834204
SIC: 1382 Oil & Gas Field Exploration Services