Spartanky Sorority at their conference at Soyuzivka Heritage Center. KERHONKSON, N.Y. – Members of the senior Plast sorority Spartanky met for their annual retreat and conference on September 29-3 at the Soyuzivka Heritage Center in Kerhonkson, N.Y. Thirty-nine members from the tri-state and Philadelphia areas reunited at the annual conference to refresh their commitment to...