For this letterbox hybrid, you will begin at the posted coordinates.
* From there, follow the path to meet one of Olmstead's many trolls.
* Next, go up the stairs. Say hi to the ducks for me.
* Walk towards the yellow sign. Be careful!
* On your right, is the river of mud and on the left is the line of green. Follow the path; when you reach the corner of the wooden pickets on your left, walk 20 paces forward.
* Walk towards the line of green until you find a brick circle, reminiscent of an old well. You will want the first in the line.
* Cache can be found there under some logs and branches.