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isa:77491785
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Factors that would cause or contribute to such differences include, but are not limited to, future trends in commodity and/or mineral prices, the availability of capital, competitive factors, and other risks described in the Company???s filings with the SEC (including, without limitation, the Form 10-K for the year ended December 31, 2011,
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isap:493460115
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isa:77491785