
Cache is NOT at posted coordinates
Solve puzzle below to find final location
N(A° B.CD1)
W(E° F.GD2)
A = The Wind Cries Mary
B = Heart of Archness: Part II
C = Viscous Coupling
D = Danger Island: Some Remarks on Cannibalism
E = Danger Island: Strange Pilot
F = Once Bitten
G = Archer Vice: A Debt of Honor

You can validate your puzzle solution with certitude.