Pioneer House – Open House Posted on June 11, 2017 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: June 24, 2017 @ 11:00 am – 1:00 pm 2017-06-24T11:00:00-05:00 2017-06-24T13:00:00-05:00 Where: Island Park, Mayville Summerfest on the corner of Island Park, Mayville