A Shamokin man has been sentenced to four years in prison for being part of a ring that sold drugs in the Sunbury and Berwick areas. The sentence for 33 year old Adam Poeth was imposed Thursday by a federal judge in Williamsport. The judge noted this was Poeth’s fourth drug conviction and twice he had been in a treatment facility. Poeth, accepted responsibility and through his attorney requested drug treatment. Poeth and the alleged ringleader Frank Galasso of Sunbury were arrested 18 months ago on Interstate 80 on their way to Philadelphia to buy heroin. Chad Snyder, formerly of Northumberland the third member of the drug ring plead guilty to a charge of conspiracy to distribute a controlled substance and was sentenced in February to time served of 17 months.