Put dates and orange slices in Ziploc bag with 1/4 cup flour. Shake until well coated, set aside. Cream butter and sugar, beat eggs in one at a time. Add orange rind. Combine salt and soda with flour, and add alternately with buttermilk to butter mixture. Add fruit and flour, coconut and nuts. Grease and flour loaf pans. Bake at 300° for approximately 1 hour. Makes 3 loaf pans.