The cache is not at the posted coordinates but it's a very short walk away.
That said, whether you're here for a convention or for caching, you should make time to solve this puzzle.
If you can figure out what these strange domino-looking pieces are they'll give you the coordinates to the container.
Your answer should look like:
N: _ _ _ _ . 0_ _
W: _ _ 0 _ . _ _ _
Have fun and enjoy the hunt!
You can validate your puzzle solution with
certitude.