 Authorities have identified a teenager who died while swimming this week at a quarry in Waite Park near St. Cloud. The Stearns County Sheriff's Office says 17-year-old Emanuel Seward Jr. of Brooklyn Center died from accidental drowning. He went missing Tuesday afternoon after jumping off of a 10-foot-high cliff into the water at Quarry Park and Nature Preserve. Witnesses tried to find him in the water but were unsuccessful.