The first set of human remains was found in 1958 and came into the park's possession in 1959 as a museum exhibit. Then in 2002, a second set was found in White Butte, Pennington County, where they were removed and placed in a storage facility in Badlands National Park for protection. The park had consulted with the Tribal Historic Preservation Office.
The park did a in depth survey of the bone. After consultation with the tribes of North and South Dakota, the park found that a"preponderance of the evidence shows that the Oglala Sioux Tribe of the Pine Ridge Reservation has a stronger cultural relationship," the Journal reported.
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