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As of April 30, 2010, Sierra Minerals Inc. was acquired by Goldgroup Resources Inc., in a reverse merger transaction. Sierra Minerals Inc. was engaged in the acquisition, exploration, and development of gold mining and related activities in the Americas. It principally owned and operated Cerro Colorado gold mine located in the Trincheras municipality in the state of Sonora, Mexico. The company also explored for silver deposits. Sierra Minerals Inc. is headquartered in Toronto, Canada.
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