You will need to solve the following puzzle in order to locate this cache:
1. Starting from the posted coordinates walk 23 average paces in a southeasterly direction.
2. Turn 90 degrees and continue another 23 paces.
3. Take 15 paces northwest.
4. Assume the position seen in the picture below using the wall closest to you.
5. Look to the southwest and you should spot a small lever in the near distance.
6. Lift this lever carefully to reveal the final coordinates.
The cache is long and square. It is not hidden at waist height and you do not need a long pointy tool to retrieve it.