BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:PUBLISH
PRODID:-//NPS iCal//Isle Royale National Park//EN
X-WR-CALNAME:Isle Royale National Park Events
X-WR-CALDESC:Upcoming events at Isle Royale National Park
REFRESH-INTERVAL;VALUE=DURATION:PT12H
X-PUBLISHED-TTL:PT12H
END:VCALENDAR