This is a letterbox, please don't take the stamp
At the posted locations you'll find a series of signs about trees in this park. Find the one about the swamp Oak.
The final is at:
N 39° 15.AAB' W 84° 28.7CD'
The tree typically grows 50'-A0' tall.
B= A + the # of acorns shown on the sign
D = the # of leaves shown in close up view of bottom right of the sign
C = D + the # of acorns shown on the sign
Sum check A+B+C+D=18
You are looking for a small lock-n-lock. Inside the tree hollow off to the left. Please rehide exactly as you found it.