The cache is not at the posted coordinates. Solve the puzzle below to locate the cache.
Happy Presidents day! The cache is at:
Mike Grits Charlie Mike Heidi Billy Glen
Patrick Rebecca Charlie Rebecca Heidi Robin Meggie Mike
You can validate your puzzle solution with certitude.
[Puzzle]: Hfrq jvxvcrqvn.
[Cache]: Zvqqyr gerr bs svir. Nccebk 4 srrg sebz tebhaq.