This cache is not at the posted coordinates.
The posted coordinates serve as parking coordinates. Fair warning to eastbound drivers: this pullout tends to have lots of loose gravel and rocks, so please make sure to slow down most of the way before pulling off.
Stage 1:
From stage 1 you should be able to see a sign across the road. The three key words are in huge font, so there is no need to cross the road to solve the puzzle. Make sure you are looking at the east side of the sign to solve the puzzle.
FINAL CACHE: N 46° 35.0ab W 112° 15.7cd
LETTER REFERENCE:
A = 7, E = 0, F = 8, H = 6, I = 1, L = 5, N = 4, O = 9, S = 3, T = 2
a = First letter of second word
b = Fourth letter of first word
c = Sixth letter of third word
d = Fifth letter of second word
Stage 2
Cache is a small pill bottle with a log and pencil. For the most part, not available in winter.
Congratulations to 59601 for getting the FTF!