BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Spaghetti Labs\, LLC//Stumbl Bay Area Family Events//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:ebparks-events-1e4aced187cbb7ba-xluzgb@stumblapp.com
DTSTAMP:20260831T075313Z
SEQUENCE:0
DTSTART:20260920T170000Z
DTEND:20260920T190000Z
TRANSP:OPAQUE
SUMMARY:Black Diamond Mine Tours
DESCRIPTION:Guided underground mine tours exploring coal and silica-sand mi
 ning history. Reservations required.\n\nWhere: Black Diamond Mines\, Antio
 ch\, Antioch\, CA\nCost: $5\nAges: Ages 7+\n\nSchedules change — please
  confirm with the organizer before you go.\nListed by East Bay Regional Pa
 rks: https://www.ebparks.org/parks/black-diamond\nFound on Stumbl: https:/
 /stumblapp.com/event/black-diamond-mine-tours-xluzgb
LOCATION:Black Diamond Mines\, Antioch\, Antioch\, CA
URL:https://stumblapp.com/event/black-diamond-mine-tours-xluzgb
CATEGORIES:Parks & Nature
STATUS:CONFIRMED
GEO:37.954900;-121.861800
END:VEVENT
END:VCALENDAR