Mary Thorvig Memorial Tree Garden Annual Community Memorial Service Sunday, August 10 1:00-3:00 p.m. Lunch, Music, Fellowship 129 Eagle Drive Sandstone . Hosted by the City of Sandstone Mary Thorvig Memorial Tree Garden Annual Community Memorial Service Sunday , August 10 1 : 00-3 : 00 p.m. Lunch , Music , Fellowship 129 Eagle Drive Sandstone . Hosted by the City of Sandstone