Leaders from O'Fallon, Shiloh, Mascoutah, MidAmerica Airport and St. Clair County met Friday with Col. Alan Hunt, 375th Airlift Wing commander to officially sign and approve a request for a Joint Land Use Study for the area around the base. St. Clair County Board Chairman Mark Kern, Mascoutah Mayor Jerry Daugherty, O'Fallon Mayor Gary Graham and