MOUNT VERNON — Vicki Kauffman drives through the Knox County countryside every morning to get to her job at the Owl Creek Conservancy in Mount Vernon. It’s during these drives that Kauffman admires the “viewshed” of Knox County. Viewsheds, are borrowed views — ones that she doesn’t own or pay a tax on. “I get to see all of those bucolic things, and I am not responsible for them … But I get to enjoy the appearance of it as I drive past,” Kauffman…