A =
B =
C =
D =
E =
F =
G =
The cache is at: N 47° 4{G-D}.{A-G}{D-F-E}E W 122°
1{C/2-F}.{C-F}{B/2-F}{A/2-E}
You can check your answer for this puzzle here:
Check your solution
When you do solve the puzzle, we would appreciate it if you
would not tell others the answer or how to get it. There are lots
of traditional caches out there for people to find if they want to
be given the coordinates. Thanks! 
Congratulations to FobesMan for the FTF!