The listed coords are just a random location along the beginning of the Kingfisher trail. Continue down the trail and find 2 signs titles "Woodland" and "Wetland". These signs will give you clues to the final coordinates.
The final is at:
N39 15.A2B W84 31.BAA
The Wetland section of the trail is 0.Z miles long
The Woodland section of the trail is 0.A miles long
B = Z x 2
Sum check A+B=13
The final is a small preform tube hidden behind a tree with darker bark and a few vines up the back of it.