 Dry juniper tree on South Rim at morning. Big Bend National Park, November 29, 2009
 Camping on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Prickly pears cactus on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Echinocactus horizonthalonius (devil s head cactus, or horse crippler) with daggerlike spines on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Drooping juniper (Juniperus flaccida Var. flaccida) on Southeast Rim. Big Bend National Park, November 28, 2009
 Cliffs of South Rim. Big Bend National Park, November 28, 2009
 Agaves on South Rim. Big Bend National Park, November 28, 2009
 Dry tree on South Rim. Big Bend National Park, November 28, 2009
 Pine tree on South Rim. Big Bend National Park, November 28, 2009
 Cacti and agaves on South Rim. Big Bend National Park, November 28, 2009
 Agaves on South Rim at sunrise. Big Bend National Park, November 29, 2009
 Crooked pine growing on South Rim. Big Bend National Park, November 28, 2009
 Crooked pine on South Rim at morning. Big Bend National Park, November 29, 2009
 Most photographed spot with a pine tree on South Rim. Big Bend National Park, November 28, 2009
 Elephant Tusk Mountain from South Rim at sunrise. Big Bend National Park, November 29, 2009
 Lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Lower (flat) part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Weathered wood on Pinnacles Trail near Juniper Flat. Big Bend National Park, Texas, November 22, 2007
 Boot Rock, view from Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Northeast Rim, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Crown Mountain, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Southeast Rim in fog. Big Bend National Park, November 27, 2009
 Sunset from SW3 (Southwest Rim) campsite. Big Bend National Park, November 28, 2009
 Boot Spring Trail. Big Bend National Park, November 26, 2009
 Emory Peak Trail in fog. Big Bend National Park, November 27, 2009
 East summit of Emory Peak in fog. Big Bend National Park, November 27, 2009
 Switchbacks of Blue Creek Trail. Big Bend National Park, November 29, 2009
 Upper part of Boot Canyon. Big Bend National Park, November 27, 2009
 Fall colors of Boot Canyon. Big Bend National Park, November 27, 2009
 Elephant tusk Mountain from Southeast Rim. Big Bend National Park, November 28, 2009
 Slopes of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Upper part of Boot Canyon Trail. Big Bend National Park, November 27, 2009
 Area of red rocks on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Boot Canyon Trail ending at Southeast Rim. Big Bend National Park, November 27, 2009
 Upper section of Boot Canyon Trail. Big Bend National Park, November 27, 2009
 Emory Peak from lower section of Southwest Rim Trail. Big Bend National Park, November 28, 2009
 Fall colors of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Cliffs of Toll Mountain from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Group of people with Dallas Sierra Club on Southeast Rim. Big Bend National Park, November 27, 2009
 Century plant which bloomed, died, and tipped over, on Pinnacles Trail. Big Bend National Park, November 26, 2009
 Slopes of Chisos Mountains east from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Fruit of cholla cactus (cylindropuntia) on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Group of people with Dallas Sierra Club on Pinnacles Trail. Big Bend National Park, November 26, 2009
 Sandy washes of Blue Creek Canyon near Homer Wilson Ranch. Big Bend National Park, November 29, 2009
 Fruits of Texas madrone (Arbutus xalapensis) on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Santa Elena Canyon and mountains in Mexico from SW3 (Southwest Rim) campsite at sunrise. Big Bend National Park, November 29, 2009
 One of eroded pinnacles of pink volcanic tuff on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Group of peole with Dallas Sierra Club watching sunset from SW3 (Southwest Rim) campsite. Big Bend National Park, November 28, 2009
 South Rim, view from Fresno Circle campsite near Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Century plant and Elephant Tusk Mountain, view from South Rim. Big Bend National Park, Texas, November 22, 2007
 Eroded pinnacles of pink volcanic tuff looking like a miniature Bryce Canyon on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Boot Rock from Boot Spring Trail. Big Bend National Park, November 28, 2009
 View of Boot Rock from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Boot Rock, view from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Boot Rock from Boot Spring Trail at sunrise. Big Bend National Park, November 28, 2009
 East summit of Emory Peak, with north summit visible in fog. Big Bend National Park, November 27, 2009
 Casa Grande Peak of Chisos Mountains from Emory Peak Trail. Big Bend National Park, November 27, 2009
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 - South Rim (A trip to Big Bend Park, November 28, 1997, day)
 Spicewood Springs in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Under Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 - South Rim 11/30/97 morning (A trip to Big Bend Park, November 29 - 30, 1997)
 - South Rim 11/30/97 morning (A trip to Big Bend Park, November 29 - 30, 1997)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South Rim 11/30/97 morning (A trip to Big Bend Park, November 29 - 30, 1997)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South Rim 11/30/97 morning (A trip to Big Bend Park, November 29 - 30, 1997)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 - South West Rim (A trip to Big Bend Park, November 29, 1997, day)
 Gorman Falls (view from a trail) in Colorado Bend State Park. Bend, Texas, May 23, 2009
 - dayhike along South Rim (A trip to Big Bend Park, November 29, 1997, morning)
 - dayhike along South Rim (A trip to Big Bend Park, November 29, 1997, morning)
 - dayhike along South Rim (A trip to Big Bend Park, November 29, 1997, morning)
 - dayhike along South Rim (A trip to Big Bend Park, November 29, 1997, morning)
 - dayhike along South Rim (A trip to Big Bend Park, November 29, 1997, morning)
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