Snake Butte is a section of a butte formation in Jackson County, South Dakota, United States. The site is also called Rattlesnake Butte and Devil's Hill. A 4-acre portion of this site was listed in 1967 as a National Natural Landmark, further defined as a place of geological interest. The site is located within the trust lands of the Oglala Lakota Nation in southwestern South Dakota.
Description The United States National Park Service describes Snake Butte:
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