(Darke County, OH)--A Darke County teenager has died as the result of a crash that happened late last week.  It happened on U.S. 36 near Turtle Creek Golf Course east of Greenville.  17-year-old Jack Ballard of Greenville was driving a car that crossed the center line and struck an oncoming car.  Ballard was taken to Miami Valley Hospital, where he died Tuesday.  The driver of the other vehicle was seriously injured and continues to recover.