Tim Fitzharris / Mesa near Ghost Ranch, New Mexico
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Tim Fitzharris / Dillon Mesa and pinnacles, Curecanti National Recreation Area, Colorado
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Kirkendall-Spring / Petrified wood on Blue Mesa in Petrified Forest National Park, Arizona, USA
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Philippe Clement / Blue Mesa badlands formations, Painted Desert and Petrified Forest, Arizona, USA May 2007
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Philippe Clement / Blue Mesa badlands formations, Painted Desert and Petrified Forest, Arizona, USA May 2007
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Philippe Clement / Petrified pedestal log along the Blue Mesa trail in the Painted Desert and Petrified Forest NP, Arizona, USA May 2007
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Philippe Clement / Tourists walking along the Blue Mesa Trail which winds through badlands formations, Painted Desert and Petrified Forest, Arizona, USA May 2007
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Philippe Clement / Blue Mesa Trail badlands formations, Painted Desert and Petrified Forest, Arizona, USA May 2007
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Philippe Clement / Blue, grey, white, lavender and green striated cones, Blue Mesa, Painted Desert and Petrified Forest, Arizona, USA
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Jack Dykinga / Petrified logs and eroded clay formations, Blue Mesa, Petrified Forest NP, Arizona, USA at sunset with storm clouds behind
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Jack Dykinga / Petrified logs, Blue Mesa, Petrified Forest NP, Arizona, USA at sunset with full moon
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Jack Dykinga / Blue mesa, petrified log sections in eroded grey clay, Petrified Forest NP, Arizona, USA
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Jack Dykinga / Blue mesa, petrified log sections in eroded grey clay, Petrified Forest NP, Arizona, USA
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PAULA COULTER / Petrified log in gully, Blue Mesa East Painted Desert and Petrified Forest, Arizona, USA
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Yva Momatiuk & John Eastcott / Blue Mesa formation, erosion showing colorful bands tinted by metals and minerals, Petrified Forest National Park, Arizona
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Yva Momatiuk & John Eastcott / Blue Mesa formation, erosion showing colorful bands tinted by metals and minerals, Petrified Forest National Park, Arizona