STONE MOUNTAIN — The wind is strong 825 feet in the air. And for geologists and others preparing to rappel more than 400 feet, the wind is an important factor. On Tuesday, a team of three geologists and five assistants worked to clean and inspect the Confederate carving on the north face of Stone Mountain, the world’s largest relief sculpture. Riding the sky lift back up to work Tuesday morning, Ryan Moran had little to say about the 10-hour job ahead of him. But he did note that the wind had died down since he was last eye-to-eye with a...