This is the bonus cache for the "Johnston War Memorial Park" Adventure Lab series. Completion of each stage of the Adventure will reveal partial coordinates to this bonus cache.
You can access the Adventure Lab by scanning the QR code below or following this link. Use a simple number subsitution found after the Adventure Lab stages for the following letters to locate the final cache.
Hope you enjoy!
N 41° 49.ABC W 071° 30.DEF