​Public URL to this calendar:
 ​https://calendar.google.com/calendar/embed?src=mf6ejdb9rfec9vt93earbrbbsk%40group.calendar.google.com&ctz=America%2FChicago

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Public link in iCal format (copy and paste to import into your app): https://calendar.google.com/calendar/ical/mf6ejdb9rfec9vt93earbrbbsk%40group.calendar.google.com/public/basic.ics