Mariposa County Board of Supervisors Meeting Agenda for Tuesday, September 22, 2015 - $331,000 to Chamber of Commerce for Visitors Center Details Last Updated: Sunday, 20 September 2015 06:35 Published: Sunday, 20 September 2015 06:33 View Comments Mariposa County Board of Supervisors Meeting Agenda for Tuesday, September 22, 2015 Click here for Mariposa County Supervisors Agenda Packet View the discussion thread. back to top