This is the bonus cache for the Corinum Central Constitutional Adventure Lab.
There is nothing at the posted coordinates part from a few ducks.
Complete the Adventure Lab and be sure to make a note of your numerical answers.
The bonus is off the beaten track due to most of the town being a SAM, Site of acient monument and the finals of various multis
The bonus can be found at:
N51 (H-A)(J+K).C(B-K)(G+E)
W001 H(F-K).GDF
Good luck!