BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Park Atlas//unit-dates//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Effigy Mounds National Monument on Park Atlas
X-WR-CALDESC:Fee-free entrance days and hours exceptions for Effigy Mounds 
 National Monument\, from National Park Service data. Data refreshed 2026-1
 0-16.
REFRESH-INTERVAL;VALUE=DURATION:P1D
X-PUBLISHED-TTL:P1D
END:VCALENDAR