This is a puzzle cache. Do not go to the posted coordinates. Solve the puzzle and go to those coords instead. Good Luck!
As usual, we don't really know how hard this will be. Once you know how to solve it, it only takes a moment. As for how long it takes to figure out the method...well, we will wait and see.
This cache can be found at the following coords
You can check your answers for this puzzle on GeoChecker.com.