This cache is not hidden at the posted coordinates. To find the cache, you will first need to complete the Williston's Wild Places Adventure Lab.
What is an Adventure Lab? It's an extension of the Geocaching game that allows Groundspeak and users to experiment with new ideas and concepts. Lab caches are kind of like virtual caches in which there is no physical container to find, but you still must navigate to a location and find some information to input in order to log your find. Adventure labs are a series of lab caches connected by a common theme. Each cache counts as an individual find, but completing the adventure lets you then complete a log and mark it complete on the map. To play the Adventure Labs, you will need an android or iOS device with 4G service and the Adventure Lab app installed.