ENGAGEMENT ANNOUNCED -- Mr. and Mrs. Gordon Wilcox of Washburn announce the engagement of their daughter, Opal Florence, to Pvt. Alex Barker, son of Mr. and Mrs. Sandy Barker of Washburn. Miss Wilcox is a senior at Washburn High school. Pvt. Barker is located at Camp Croft, South Carolina. No date has been set for the wedding.