HOLLAND, Mich. – A woman has been sentenced to 180 days in jail for neglecting to keep an eye on her son who drowned in Lake Michigan. Miranda Rowe, 33, of Spring Lake Township appeared in court Monday. Her 6-year-old, Iain, drowned at Holland State Park on June 6, a day of high waves and warnings. Investigators said her son was unattended for at least 15 minutes while she was in a bathroom. More than 50 people this year have drowned in Lake Michigan in Michigan, Indiana, Illinois and Wisconsin, according to the Great Lakes Surf Rescue Project.