NOVEMBER DATE—Nov. 27 has been set aside for the marriage of Rosa Maria Siller and Stephen San Miguel. They will exchange vows in St. Joseph's Catholic Church, Marysville. The bride-elect, daughter of Mr. and Mrs. Guillermo Siller of Live Oak, is a graudate of Pleasant Valley High School in Chico. She is stationed in the Philippines with the U.S. Air Force. Her fiance, son of Mr. and Mrs. Leocadio San Miguel of Marysville, is a graduate of Marysville High School. He's stationed in Alaska with the USAF.