Trying to compare the greens at Prairie Dunes is hard. Some of Pete Dye's greens are the best I can come up with. For those who have played the Mountain course at La Quinta, a few of those greens are not too far off...but add more slope, more speed, and more wind. #'s 6 and 7 there come to mind, if I remember right. I think several Pete Dye courses might make the best comparisons.
At Inverness, #4 and #14 are similar to PD greens.
Other courses have a lot of slope, but I've never seen greens subdivided into such small areas as at Prairie Dunes. To say it a different way, it's not just the degree of the slopes, but how many different slopes there are. There is so much going on in those greens. If you're trying to make a green diagram for a yardage book, you can sit there for 5 or 10 minutes drawing all the little ridges and mounds and valleys. If you're more than 15 feet from the hole, you're guaranteed to have more than one slope to consider on your chip or putt. Complicated is a good word to describe them!