Big Bend National Park
Yucca bloom in early March along the Old Ore Road north of Rio Grande Village. In the distance, Ernst Arroyo (an intermittent stream) carved a canyon through a hogback ridge of Cretaceous sedimentary formations along the eastern flank of the Sierra Del Carmen in eastern Big Bend National Park .

Note: sources of geologic interpretation for this website are based on roadlogs by Maxwell (1986) and Scheubel and Mruk (1994), a park geologic map by Maxwell and Lonsdale (1966), and other sources listed in selected references for this website. Stone ([2010]) and Lady Bird Johnson Wildflower Center, [2010] are sources for Chihuahuan desert plant information.
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Last modified: 8/8/2010