The fight by city officials to keep new power lines out of the small city of Mansfield will finally be decided in court more than a year after the contentious issue first surfaced. Georgia Transmission Corporation is taking steps to build a 3.2-mile transmission line that will pass through Mansfield in an effort to provide more electricity capacity to regional residents, but a remaining hurdle is a tract of disputed city-owned land that city officials say the corporation can't build on. Beaver Manufacturing donated 15 acres of land to the city of Mansfield in the spring to be used as a public