Cache can be located by completing the following:
N44 A.B
W79 C.D
A = the Atomic number of Titanium
B = DCCXXII
C = Answer to the Ultimate Question of Life, the Universe and Everything
D = Number of hours in a week
You can check your answers for this puzzle on GeoChecker.com.
Congratulations to Maple Leafs for the FTF!