Jack Dykinga / Lichen covered rocks at Marble Viewpoint, Kaibab National Forest, Grand Canyon National Park, Arizona, USA
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Jack Dykinga / Lichen covered rocks at Marble Viewpoint, Kaibab National Forest, Grand Canyon National Park, Arizona, USA
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Jack Dykinga / Marble Canyon and the Colorado river, Grand Canyon NP, Arizona, USA
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Jack Dykinga / Water from flash floods cascades down Marble Canyon into the Colorado River, Grand Canyon NP, Arizona, USA
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Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) immature bird flying with transmitter attached, critically endangered extinct in wild and recently re-introduced, 9-10 foot wingspan, Marble Canyon, Arizona
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Michael Durham / Pallid Bat (Antrozous pallidus) roosting at night near Marble Canyon, Arizona
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Jack Dykinga / Colorado river, Marble Canyon, Grand Canyon National Park, Arizona, USA with Nankoweap Canyon's Anasazi indian Granaries in foreground
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Mike Potts / Looking down on Colorado River running through Marble Canyon, Arizona, USA
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Yva Momatiuk & John Eastcott / Vermilion Cliffs near Marble Canyon, spring cumulus clouds, northern Arizona
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Yva Momatiuk & John Eastcott / Highway and spring cumulus clouds near Marble Canyon, northern Arizona
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Yva Momatiuk & John Eastcott / Highway and spring cumulus clouds near Marble Canyon, northern Arizona
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Yva Momatiuk & John Eastcott / Desert plateau near Marble Canyon, spring clouds, northern Arizona
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Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) immature bird flying, 9-10 foot wingspan, with radio transmitters attached, Marble Canyon, Arizona
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Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) adult perched on canyon wall drying wings, with radio transmitter attached, Marble Canyon, Arizona
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Nigel Bean / Colorado river from Navajo bridge, Marble Canyon, Arizona, USA
