Margaret Brantley. Development Director for Catawba Lands Conservancy, will give an update on the trail’s progress. The Conservancy is the lead Agency for Carolina Thread Trail. a project that will connect 15 counties and two states with over 1500 miles of trails, blueways and greenways. The evening begins with pizza at 6:30 p.m. and the program is at 7. Free and open to the public. You do not have to be a member of Sierra Club to attend.