There are two holes on that list [Belleview Biltmore and Dallas CC] which I've never seen and know nothing about. Someone please describe them.
There's another hole, the 10th at The Greenbriar, which I've seen, but can't remember at all.
Most interestingly, though, is that Trent Jones and Bob Jones each saw fit to include a different hole from The Country Club (Cleveland), which has never hosted big events, and is largely unknown today. Both of them are excellent golf holes, although I'm not sure either would make my best-of-America list.