You can import the M.A.S.S. calendars into your calendar software (such as MS Outloook, Google Calendar, Mozilla Sunbird, and others) with these iCal addresses...
Official Events:
http://www.google.com/calendar/ical/ejcbaln9cgefgrvuj6g6tgpjppgp9r0i%40import.calendar.google.com/public/basic.icsMember Organized Events:
http://www.google.com/calendar/ical/63nnuqvbakmisd7gcliihq7rlbqmbs62%40import.calendar.google.com/public/basic.icsOther Community Events:
http://www.google.com/calendar/ical/secularmissoula.org_js4lo6t4tig29eha75rudhtgas%40group.calendar.google.com/public/basic.icsOther Dates of Interest:
http://www.google.com/calendar/ical/secularmissoula.org_tsku452m8vvur0lk8ikheu7tmc%40group.calendar.google.com/public/basic.ics