Cache is not at the posted coordinates! That's just where I found a strange inscription. Can you help me decode it?
Here's what it looked like: 
You can check your answers for this puzzle on GeoChecker.com.
Fgnaq ol gur lryybj oevpx jura gur guehfu xabpxf, naq gur frggvat fha jvgu gur ynfg yvtug bs Qheva'f Qnl jvyy fuvar hcba gur XRL-ubyr.