*** NOT AT THE POSTED COORDINATES ***
Over in St. Marys Park, there is a monument to the generosity of the Dr's Mayo. They donated the land for the park to the City of Rochester. Use the date of the donation to find the final stage of this multicache.
JUNE AB, CDEF
N44 EE.(D-1)(F+1)D W092 (A+1)D.(B-3)CC

You can validate your puzzle solution with certitude.
[Final]: Nobir gur friragu "fgrc" ... nobhg fvk srrg hc