The floodplains of the Laura Basin are now protected in the Lakefield and Jack River National Parks . The plains are crossed by the Morehead , Hann , North Kennedy , Laura , Jack and Normanby Rivers . The floodplains of the Laura Basin , which are protected in the Lakefield and Jack River National Parks , are crossed by the Morehead , Hann , North Kennedy , Laura , Jack and Normanby Rivers .