

 Copperstone Air Photo showing Target Zones & Development
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| February 15, 2011 |
American Bonanza Receives Air Quality Control Permit for the Copperstone Gold Mine |
| February 03, 2011 |
American Bonanza Purchases Jaw Crusher for the Copperstone Gold Mine |
| February 01, 2011 |
American Bonanza Posts Bond for the Copperstone Gold Mine |
| January 21, 2011 |
American Bonanza Closes $17.5 Million Financing |
| January 18, 2011 |
American Bonanza Obtains Receipt for Final Prospectus |
| January 12, 2011 |
Resumption to Trade and Equity Financing Update |
| January 11, 2011 |
Technical Report Update |
| December 14, 2010 |
American Bonanza To Refile Technical Report and MD&A |
| December 08, 2010 |
American Bonanza Announces Filing of Preliminary Prospectus for Proposed Equity Offering |
| December 02, 2010 |
American Bonanza Announces $14 Million Private Placement |
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