February 10, 2005 - AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) announces further to our press release issued today announcing 36.4 grams per tonne gold over 4.2 metres true thickness at the Copperstone project, we are pleased to include the following link to our website to view the D Zone plan map of the drill fans: http://www.americanbonanza.com/properties/copperstone/map_gallery/.

American Bonanza Gold Mining Corp. and International Taurus Resources Inc. (TSX:ITS) have signed a Definitive Agreement to merge companies.  Approval for this agreement will be voted on by the shareholders of both companies at individual meetings to be held on March 21, 2005.

Additional information about Bonanza can be obtained at:  www.americanbonanza.com.

AMERICAN BONANZA GOLD MINING CORP.

(signed) Brian Kirwin
President and Chief Executive Officer

The TSX Venture Exchange has not reviewed and does not accept responsibility
 for the adequacy or accuracy of this news release.

For further information call or write:
Catherine Tanaka, Investor Relations (604) 688-7523
American Bonanza Gold Mining Corp., Suite 1606-675 W. Hastings St., Vancouver, BC V6B 1N2