Once you have solved the puzzle, you will be able to find the
cache at N51 02.(A+H)(H-A-C)A W000 40.(C+F)(A-C-C)(H-C)
APOLOGIES, the FTF tells me that the co-ordinates are out (bless
the Oregon.....!) and although the clue should take you there, you
need to add 12 to the northings and take 5 from the westings.