Standing Rock, the Sioux Treaties, and the Limits of the Supremacy, Clause Carla F. Fredericks & Jesse D. HeibelRedirecting to: http://lawreview.colorado.edu/wp-content/uploads/2018/05/Fredericks-Heibel-Standing-Rock-the-Sioux-Treaties-and-the-Limits-of-the-Supremacy-Clause.pdf