At the posted coordinates, you will see a big rock with a plaque on it. Use the letter O as a xero. Use the letter I as a one. Read the plaque and note the following letters numbers:
XXXXXXXXX XXXX
XXXXX XX XXX XXXX XX XXXXXXX, X. X.
XXXXXXX G, XXBX
XX XXXXXX X. XXXXXXXXX (XXLX-CXXX)
XX XXXXXX DX XXX XXXXXXX
XXXXX XXXX XXXXXXXXX (XXJX-XXXA)
XXXXX XXXXXXXX XXXXX, XXX XXXXXXXXXXXX
XXX XXXXXXX XXXXXXXX, XXXX XXXX
EX XXXXXXXXX XXXXX XXXXXX XXXX
NXXX XXX XXXXXXXX XX XXXXX
XXXXXXX XXX XXX XXXXXX XXX XXXX
XXXX XX XXX XXXXXXXXX XXXXMXX.
XXXXXXX XX XXX XXKX
XXXXXXX XXXXXXXXXXXX XIXXXXXXX
XXHF
The cache is at North AB CD. EFG West HI JK.LMN.