Rock City Barns DISAPPEARING ICONS OF THE BLUE RIDGE David Jenkins, who set out in 1994 to find all of the messsaged barns for his book "Rock City Barns: A Passing Era," laments here that time has greatly reduced the number of barns that once formed a perfect outdoor marketing campaign. These then-and-now shots define the decline, with the exception of few barns that are well-maintained. 52 BLUERIDGECOUNTRY.COM