The cache is not hidden at the posted co-ordinates
This is the bonus cache for the Lustleigh Adventure Lab
In order to find the position of this cache you will need to complete the Lustleigh adventure lab
Each completed stage will give you one of the letters used in the formula below
Solve the formula to obtain the co-ordinates for the hide.
N50 37. (C-B) (B-E) (A-D) W003 42. (A+B) (C+D) (E+C)