The cache is of course not at the published coords, its a puzzle
or course!. The Railfence cipher is rather easy, simply look on
tin'ter-web and i'm sure you'll find out how to do it. If not, the
basic principles are in allot of books on cryptography.
Tweezers might help those with chubby fingers to retrieve, but I
managed and mine are rather impressive in girth.
FTF:- forcesofnature, well done on a ftf after a long cache
break!