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 = ((day in August that Lindsay died plus one) times the day in August that Lindsay died
Stage 2:
B = (number of black posts along blue contour times 31) minus one
Checksum = 6 + 10