To the left, "the road is on the side of the mountain, as you can see by the steep cut.  We near the top of the mountain and the Blue Ridge is 'V' shaped: has a sharp crest, from which you can see down from both sides.  Above, we see a final view looking East before crossing the crest.  An now we're over the crest, and are looking into the Valley of Virginia, toward the town of Beauna Vista."  Seems that the family crossed near Beauna Vista and descended into the valley and headed North to get to the Skyline Drive.  Skyline Drive had been started before World War II and was less than 10 years old at this time.