TEXT: FILE - In this Dec. 4, 2016, file photo, Chief Arvol Looking Horse, a spiritual leader of the Great Sioux Nation puts on his headdress for an interfaith ceremony at the Oceti Sakowin camp where people have gathered to protest the Dakota Access oil pipeline in Cannon Ball, N.D. As cities and towns host July 4th parades and fireworks shows, some minority residents are expressing mixed feelings about the holiday used to reaffirm the country's founding based on equality and civil liberties. (AP Photo/David Goldman, File)