| Filed On | Filing |
|---|---|
| 20 Jul 2011 | 8-K/A: Material Impairments; Other Events |
| 21 Sep 2005 | 8-K/A: Amendments to Articles/Bylaws; Change in Fiscal Year |
| 14 Jan 2004 | 8-K/A: Other Events |
| 12 Jan 1998 | 8-K/A: Completion of Acquisition or Disposition of Assets |
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