This cache is not at the posted coordinates. After completing each of the locations in the A Rocky Mount Adventure successfully you will get a journal page. On the journal page you get a segment of the correct cache. They will replace the letters ABCDEF of N 35 57.ABC W 077 48.DEF. When you have the cache cords in hand head for the cache.
There is a virtual cache GCA855 Old Post Ofice at this location also. An old cache placed 14 Nov 1902.
Lbh fubhyq abg arrq bar.