BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20121006
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20130525;BYDAY=SA
SUMMARY:Mason Center Morning Bird Walks
END:VEVENT
END:VCALENDAR