The cache is not at the posted coordinates. Do not go there.
This is the BONUS cache that goes along with my Adventure Lab Drayton Plains, The Lost Town Within Waterford, MI
At each of 5 locations of the Adventure Lab you should have received a code letter for each correct answer. Enter these 5 letters in the order they were given into the Certitude geochecker to receive the final coordinates to this cache.
I hope you enjoyed the adventure!
You can validate your puzzle solution with certitude.