The White House has a new resident. This New President has taken measures to insure his privacy. You will have to not only be stealthy, but also diligent in your search if you want to meet with him.
Be careful in your search as to not destroy GZ.
Good safe parking off highway.
If you find the cache re-hide it as well or better than you found it.
BYOP.
Gloves, long sleeved shirts, and extraction tools are helpful
Let us know of problems with either the cache or its coordinates.
Spoilers indicating location of cache will be deleted.