Wichita Mountains
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The Wichita Mountains are located in the southwestern portion of the U.S. state of Oklahoma. It is the principal relief system in the Southern Oklahoma Aulacogen, being the result of a failed continen
Elk Mountain, in the eastern Wichita Mountains
Wichita Mountains Narrows
Granite knob in the Wichita Mtns.
Granite overlying gabbro - a view of Mount Sheridan from the northeast
Ouachita Mountains
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The Ouachita Mountains, simply referred to as the Ouachitas, are a mountain range in western Arkansas and southeastern Oklahoma. They are formed by a thick succession of highly deformed Paleozoic stra
Wichita Mountains
…Pennsylvanian Period (330–290 million years ago) the region was subjected to intense pressure during the continental collision or orogeny which produced the Ouachita Mountains to the east. This resulted in faulting and folding striking along a WNW direction and includes the Arbuckle and Wichita Mountains of southern Oklahoma…
Sugar Creek Vista, Arkansas
Ouachita Mountain fall foliage
Looking north from Athens Plateau to Ouachita Mountains near Athens, AR
Fourche Mountain salamander