The discovery of three ounces of heroin and three-thousand dollars in cash has resulted in the arrest of a man in Merrill.  Twenty-three-year-old Jason Sly is being held in the Lincoln County Jail.  Deputies say the arrest comes after an ongoing joint investigation with the Merrill Police Department.  Sly faces a charge of possession with intent to distribute heroin.  The sheriff’s office estimates the street value of the heroin seized Tuesday at 28-thousand dollars.