keep an eye out for your st george post.  you should give pritchett another run.  you were just beginning the trail.  rocker nocker is the first obstacle, (where you turned around)  Pritchett is one of my favorite trails.  here is a vid of rockpile.  http://www.youtube.com/watch?v=LH6tr90fWiQ
 

and another of a roll on an unamed obstacle.  no name cuz it is a result of recent years washout.
http://www.youtube.com/watch?v=5uIxhz1M3Rc