At the listed coordinates is an arch leading from the parking lot to the upper harbor area. On one side of the arch is a plaque giving some history of the park system and Sharon Woods. Use clues from this to get the final cache coordinates below.
The final is at:
N39 16.9B6 W84 23.5QA
The land for Sharon Woods was purchased at $ AB per acre
In the early 1Q00's the area was known as.....
At the final you are looking for a preform tube attached to a small tree behind a log under some asphalt chunks.