There is so much iron here you will be glad you are not depending on your compass. Nor should you depend too much on your GPSr. I guess this is not strictly geocaching if you can't get a decent signal, but it's such a good place!
You will never forget the experience if an Iron Horse goes over above your head!
Make as if you are going to catch a train, but don't climb at all.
The cache is a small, clear plastic box. Find the log, then sign the log.