You decide. Does GF stand for girlfriend or gluten free or grid filler?
The cache is not at the posted coordinates.
To find the final coordinates, fill in the missing digits:
N48 25.A W123 20.B
Use the following information to calculate the missing digits:
Stage 1:
A = (Disability parking meter number minus 11) divided by 4
Stage 2:
B = (Number of bolts on the ground of the 4 structures times 3) minus 49
Checksum = 18 + 14