COLFAX – North Mahaska kept their South Iowa Cedar League record perfect with a three-set win at Colfax-Mingo Tuesday. North Mahaska defeated the Tigerhawks 25-13, 25-16 and 25-17. It was the fifth win against Class 2A or higher this season. North Mahaska and Colfax-Mingo are the lone 2A schools in the SICL.