The cache is not located at the posted coordinates. But the boat ramp is!
Solve the puzzle below to have the final location revealed. The final is located along the shore of Acton Lake and is best accessed by shallow draft hand powered watercraft.
For full details about the series see https://coord.info/GC8E840
---------- PUZZLE time ----------
To come to a complete halt very suddenly or in a very short distance. To ---- -- - dime (leave no spaces between the 3 words using the checker)

You can validate your puzzle solution with certitude.