Yes, the Furrballs are aliens, you already knew that. Sometimes we need to contact the mothership. Or "Alien Base One", a mile to the northeast. Or just to order pizza if we're hungry. In this case however, don't call us. We'll call you.
This cache is right along Highway 16 just west of the Keystone "Y" and Calumet Road. There's "parking" at the gate. If it's closed, be sure to re-close it when you leave. If it's open, there might be someone up the road so leave it as-is. From the gate it's just a short uphill stroll to the cache. You're looking for a well camo'd bison tube. There's no need to destroy or tear up the environment to find it. When you get to GZ, it will be obvious. Please, no pics or other spoilers in your online log, so future finders can enjoy the same experience. After signing the log, return the container and re-hide as good or better than you found it. Thanks!