Ronny Ferrel Aquatic Center

HANNIBAL, Mo. — The Ronny Ferrel Aquatic Center, off U.S. 36 at 1700 Pleasant, will open Saturday. Hours for the summer will be 1 to 6 p.m. every day, with eight lifeguards and two slide attendants on duty at all times when the pool is open. Emily Hultgren is serving her second year as aquatics…