… Council of Three Rivers American Indian Center (COTRAIC) held the … series documenting and celebrating Native American culture during Pitt’s … that came down from Canada,” Spangler said. “When … or Pacific northwest where Native American culture is more visible …… Council of Three Rivers American Indian Center (COTRAIC) held the … series documenting and celebrating Native American culture during Pitt’s … that came down from Canada,” Spangler said. “When … or Pacific northwest where Native American culture is more visible …