In the years following World War II many multi-national energy firms, bolstered by outdated U.S. federal laws, turned their attention to the abundant resources buried beneath Native American reservations. By the 1970s, however, a coalition of Native Americans in the Northern Plains had successfully blocked the efforts of powerful energy corporations to develop coal reserves on sovereign Indian land. This challenge to corporate and federal authorities, initiated by the Crow and Northern Cheyenne nations, changed the laws of the land to expand Native American sovereignty while simultaneously...