(Nisswa, MN)  --  A teenage girl ended up in the hospital after a parasailing accident in north-central Minnesota Sunday.  The Crow Wing County Sheriff's Office says 17-year old Natalie Carlson of Eden Prairie was being pulled from the shore by a boat on a lake near Nisswa when she struck a docked pontoon boat.  Family members and others were able to pull Carlson out of the water and give her first aid until paramedics arrived.