The rightful owners per the 1980 SCOTUS ruling that the United States violated the 1868 treaty with the Sioux Nation and illegally seized the land from the Sioux Nation. President of Oglala Sioux President says, the rightful owners of the land that encompasses Mount Rushmore.
https://www.independent.co.uk/news/...ushmore-fourth-july-coronavirus-a9598861.html
https://www.independent.co.uk/news/...ushmore-fourth-july-coronavirus-a9598861.html