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Santa Elena Canyon View 5: Time for Some Geobotany Along the Trail | Big Bend National Park, Texas, USA
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Santa Elena Canyon View 7: Time for More Geobotany Along the Trail | Big Bend National Park, Texas, USA
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Santa Elena Canyon View 8: Reaching the Nadir, on the Bed of the Rio Grande | Big Bend National Park, Texas, USA
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Santa Elena Canyon View 9: A First Look at an Unusual Bromeliad | Big Bend National Park, Texas, USA
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Santa Elena Canyon View 10: A Second Look at an Unusual Bromeliad | Big Bend National Park, Texas, USA
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Santa Elena Canyon View 12: A Mid-Channel Bar in the Rio Grande | Big Bend National Park, Texas, USA
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A No-Nonsense, Law-and-Order Approach to Natural History: Chihuahuan-Community Plants and Desert Pavement, Stillwell Ranch, Brewster County, Texas, USA
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Geology of the East Bourland Mountain Flatirons Locale, Part 5: Brewster County, Texas, USA
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From Persimmon Gap to Boquillas Canyon, Part 5: Leading Actors of the Chihuahuan-Desert Cast, Big Bend National Park, Texas, USA
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From Persimmon Gap to Boquillas Canyon, Part 7: As the Shadows Fall, Big Bend National Park, Texas, USA
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From Persimmon Gap to Boquillas Canyon, Part 8: Reaching Road's End and the River At Last, Big Bend National Park, Texas, USA
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From Persimmon Gap to Boquillas Canyon, Part 9: Blooming in the Dying Light, Big Bend National Park, Texas, USA
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Integrative Natural History of Old Ore Road, Part 3: Two Iconic Plants of the Chihuahuan Desert | Big Bend National Park, Texas, USA
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Integrative Natural History of Old Ore Road, Part 4: Closing in on the Waxy One | Big Bend National Park, Texas, USA
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Exploring the Chisos Mountains, Part 8: Stranger in a Strange Land | Big Bend National Park, Texas, USA
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Integrative Natural History of Old Ore Road, Part 5: Rising from the Desert Pavement | Big Bend National Park, Texas, USA
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Exploring the Chisos Mountains, Part 9: Detail of a Distinctively Drooping Desert Denizen | Big Bend National Park, Texas, USA