Cache is not at posted coordinates.
To get the final coordinates go to the posted coordinates. There you will find something to help you in your quest.
Starting with the posted coordinates.
ABC
N 33 44.852
DEF
W 112 14.098
Calculate the final coordinates by adding or subtracting to EXISTING values using the information you will find at stage one.
A: add top#, Subtract 2nd# to top
B: add middle#, Subtract 3rd# from top
C: add 7th# from bottom
D: add 2nd# from top, subtract 3 lowest#s
E: subtract 3rd# from bottom
F: subtract top# add middle#