Petrified Forest National Park (Arizona) ID: 0024 3291 2015 0016 [detail] Gerald and Buff Corsi © 2000 California Academy of Sciences	Petrified Forest National Park (Arizona) ID: 0091 3183 0938 0069 [detail] Gerald and Buff Corsi © 2001 California Academy of Sciences	Petrified Forest National Park (Arizona) ID: 0024 3291 2015 0015 [detail] Gerald and Buff Corsi © 2000 California Academy of Sciences	Colorful southwestern desert sunset with river, in Petrified Forest National Park, Arizona. ID: 0000 0000 1106 0682 [detail] © 2006 Joseph Dougherty, M.D./ecology.org
Colorful southwestern desert sunset with river, in Petrified Forest National Park, Arizona. ID: 0000 0000 1106 0683 [detail] © 2006 Joseph Dougherty, M.D./ecology.org	Desert sunset over rocks and river, with breaking storm clouds. ID: 0000 0000 1106 0929 [detail] © 2006 Joseph Dougherty, M.D./ecology.org	Desert sunset over rocks and river, with breaking storm clouds. ID: 0000 0000 1106 0930 [detail] © 2006 Joseph Dougherty, M.D./ecology.org	Desert sunset over rocks and river, with breaking storm clouds. ID: 0000 0000 1106 0931 [detail] © 2006 Joseph Dougherty, M.D./ecology.org
Flood-carved gully at Agate Bridge in Petrified Forest National Park ID: 0000 0000 0407 2807 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Flood-carved gully at Agate Bridge in Petrified Forest National Park ID: 0000 0000 0407 2808 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Flood-carved gully at Agate Bridge in Petrified Forest National Park ID: 0000 0000 0407 2809 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Flood-carved gully at Agate Bridge in Petrified Forest National Park ID: 0000 0000 0407 2810 [detail] © 2007 Joseph Dougherty, M.D./ecology.org
Flood-carved gully at Agate Bridge in Petrified Forest National Park ID: 0000 0000 0407 2811 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Agate Bridge under cloudy skies, in Petrified Forest National Park ID: 0000 0000 0407 2812 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Agate Bridge under cloudy skies, in Petrified Forest National Park ID: 0000 0000 0407 2813 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Agate Bridge under cloudy skies, in Petrified Forest National Park ID: 0000 0000 0407 2814 [detail] © 2007 Joseph Dougherty, M.D./ecology.org
Painted Desert bluffs and buttes, Petrified Forest National Park ID: 0000 0000 0407 2820 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Painted Desert bluffs and buttes, showing weathering and layers; Petrified Forest National Park ID: 0000 0000 0407 2821 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Painted Desert bluffs and buttes under stormy skies, showing weathering and layers; Petrified Forest National Park ID: 0000 0000 0407 2822 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Painted Desert bluffs and buttes under cloudy skies, showing weathering and layers; Petrified Forest National Park ID: 0000 0000 0407 2823 [detail] © 2007 Joseph Dougherty, M.D./ecology.org
Painted Desert bluffs and buttes under cloudy skies, showing weathering and layers; Petrified Forest National Park ID: 0000 0000 0407 2824 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Painted Desert grassy fields, with bluffs and buttes; Petrified Forest National Park ID: 0000 0000 0407 2825 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Painted Desert grassy fields, with layered bluffs and buttes; Petrified Forest National Park ID: 0000 0000 0407 2826 [detail] © 2007 Joseph Dougherty, M.D./ecology.org	Entry gate to Petrified Forest National Park ID: 0000 0000 0407 2827 [detail] © 2007 Joseph Dougherty, M.D./ecology.org

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