State Of Jefferson Town Hall Meeting Posted by: Default User July 28, 2018 0 359 Views Loading Map.... Mariposa County Fairgrounds5007 Fairgrounds Road - MariposaEvents 37.465582 -119.94685400000003 Date/Time Date(s) - 07/28/20185:30 pm Location Mariposa County Fairgrounds Categories Community Events Email for more information. ShareTweetSharePin Print this Article 2018-07-28 Default User