Theodore Roosevelt National Park - North Unit
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Tilted strata
 
 
 
Cannonball concretions
 
 
 
 
3D Cannonballs
 
Liberated cannonballs
 
 
 
Petrified wood in the North Unit
 
 
 
 
Little Missouri
 
Little Missouri as it makes the turn to the east
 
The views are rather spectacular
 
 
Bentonite Clay