At the listed coordinates is a sign, use clues from it to get to the final.
The final is at:
N39 15.AB6 W84 28.D05
Winton Lake is 6DA feet above sea level
Winton lake spillway height is an elevation of BC2 above sea level
The dam is approximately E miles upstream of this spot.
The dam was dedicated June F0, 1953
Sum check A+B+C=12 D+E+F=10
You are looking for a whizz bang hanging 3 feet up on a small tree. On the trail you will see a small lonely evergreen. head towards the creek from there.