Santa Elena Canyon, Big Bend National Park, 2012
       
     
Santa Elena Canyon Visitor Area, Big Bend National Park, 2012
       
     
Big Bend National Park, 2012
       
     
Figure_010a.jpg
       
     
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Titus Canyon Road, Death Valley National Park, 2013
       
     
Zabriskie Point, Death Valley National Park, 2013
       
     
Dante's Canyon Visitor Area, Death Valley National Park, 2013
       
     
Badwater Basin Visitor Area, Death Valley National Park, 2013
       
     
Santa Elena Canyon, Big Bend National Park, 2012
       
     
Santa Elena Canyon, Big Bend National Park, 2012
Santa Elena Canyon Visitor Area, Big Bend National Park, 2012
       
     
Santa Elena Canyon Visitor Area, Big Bend National Park, 2012
Big Bend National Park, 2012
       
     
Big Bend National Park, 2012
Figure_010a.jpg
       
     
Figure_008b.jpg
       
     
Titus Canyon Road, Death Valley National Park, 2013
       
     
Titus Canyon Road, Death Valley National Park, 2013
Zabriskie Point, Death Valley National Park, 2013
       
     
Zabriskie Point, Death Valley National Park, 2013
Dante's Canyon Visitor Area, Death Valley National Park, 2013
       
     
Dante's Canyon Visitor Area, Death Valley National Park, 2013
Badwater Basin Visitor Area, Death Valley National Park, 2013
       
     
Badwater Basin Visitor Area, Death Valley National Park, 2013