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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000072971-12-000118
Filing Date
2012-01-25
Accepted
2012-01-24 17:41:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 wf_iongeophys-462044108.htm SC 13G/A 26385
  Complete submission text file 0000072971-12-000118.txt   28266
Mailing Address WELLS FARGO & COMPANY 420 MONTGOMERY STREET SAN FRANCISCO CA 94163
Business Address 420 MONTGOMERY STREET SAN FRANCISCO CA 94163 6126671234
WELLS FARGO & CO/MN (Filed by) CIK: 0000072971 (see all company filings)

IRS No.: 410449260 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6021 National Commercial Banks

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 (Subject) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-41602 | Film No.: 12542731
SIC: 1382 Oil & Gas Field Exploration Services