Lee and Linda Ruk of North Tonawanda announce the engagement of their daughter, Christina Sophia Ruk, to Marine Corps Lance Cpl. Garrett Adam Barton, son of Wayne K. and Janet A. Barton of Gowanda. A May 18 wedding is being planned. The bride-elect, a graduate of North Tonawanda High School, attends St. Bonaventure University. Her fiance, a graduate of Gowanda Central High School, is a recruiter's aide in the Marine Corps Recruiting Station, Dunkirk.