This is 1 of 42 puzzle caches in a series that were created to commemorate GeoWoodstock VIII. There is a Final of this Series that you can find, if you feel inclined to do so. The Waypoint for the Series Final is GC24NBA.
You will need to find the 21 numbers attached to 21 of the 42 puzzles used to create this series. These numbers will be placed on the logbook of the puzzle caches, so WATCH FOR THEM! This cache may, or may not have one of those numbers in it. You will need to have signed the logbook of all 21 of the correct caches to be able to legally claim a find on the Series Final.