At the posted coordinate you will find a white box on a pole. On the white box are alot of numbers.
Cache is at
N 43° 01.ABC W 071° 20. DEF
A=2nd digit on the left side
B=1st digit on the left side
C=1st digit on the right side
D= Unit Pressurized to digit MINUS 2
E= ADD the 2nd and 3rd digit on the right side together
F=How many PSI?