Holton man sent to prison for operating meth lab. #OceanaCountyNews By Allison Scarbrough. Editor. HART — A 38-year-old Holton man was sentenced to two and a half to 20 years in prison Monday, July 17, in 27th Circuit Court for a conviction of operating/maintaining a lab involving methamphetamine. Steven Anthony Ketchum, of 10687 Blue Lake Rd., was arrested by the…