This calendar can be accessed directly at Google.
This calendar can be subscribed to in Google Calendar, iCal, or any other application which supports subscribing to external calendars in XML or ICAL format:
http://www.google.com/calendar/feeds/u52h2b2rke9o38qejdc94ao29o%40group.calendar.google.com/public/basic
http://www.google.com/calendar/ical/u52h2b2rke9o38qejdc94ao29o%40group.calendar.google.com/public/basic.ics
https://www.google.com/calendar/embed?src=u52h2b2rke9o38qejdc94ao29o%40group.calendar.google.com&ctz=America/Denver