Calvista updates as a follow up to its August 23, 2011 press release, that Ingeominas, Colombia's mining authority, by Resolution GTRB-0208 dated December 15, 2011, transferred a 60% interest in License 090-98 to Calvista's wholly owned subsidiary Sociedad Minera Calvista Colombia. Transfer of the remaining 40% in the Subject Property is already in progress and is expected to be completed in due course. These
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