
Osage Nation Reacquires Sugarloaf Mound, a Sacred Osage Site and Oldest Human-Made Structure in St. Louis
OSAGE NATION RESERVATION, Okla. (September 22, 2025)โ The Osage Nation Historic Preservation Office (ONHPO) is proud to announce the complete reacquisition of Sugarloaf Mound. This sacred site was