and the Walker River Paiute tribe’s $20 million is due to past ordnance contamination on tribal land, with about 13 square miles (34 square kilometers) held in trust. Williams-Tuni said Thursday …and the Walker River Paiute tribe’s $20 million is due to past ordnance contamination on tribal land, with about 13 square miles (34 square kilometers) held in trust. Williams-Tuni said Thursday …