Oceana County man, woman involved in serious crash in Mason County. PERE MARQUETTE TOWNSHIP, (Mason County) — A 17-year-old Ludington boy was flown via Aeromed to Helen DeVos Children’s Hospital in Grand Rapids with critical injuries following a single-vehicle crash Wednesday, Oct. 13, around 3:45 a.m. on South Lakeshore Drive north of Chauvez Road, according to Mason County Sheriff Kim…