RTAH LLC
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RIO TINTO PLC (1)
RIO TINTO AMERICA HOLDINGS INC (1)
RIO TINTO WESTERN HOLDINGS LTD (1)
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CLOUD PEAK ENERGY INC. (1)
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Ownership (2)
4
Friday, 11/20/2009
CLOUD PEAK ENERGY INC.: Statement of changes in beneficial ownership of securities
3
Thursday, 11/19/2009
CLOUD PEAK ENERGY INC.: Initial statement of beneficial ownership of securities
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