The geocache is not at the listed coordinates, but is a good place to start.
This is a bonus cache for completing the Buffalo Cemetery Tour Adventure lab. The cache can be found at N 37° 31.AB9' W 84° 40.CDE. Once you have completed the Bufalo Cemetery Tour Adventure Lab, you will have all the information you need to solve for ABCD and E.
To access the Adventure Lab, you will need to have the Adventure Lab App downloaded on you mobile device, and click the link below.
Buffalo Cemetery Tour
The geocache is a small plastic container with a rite in the rain logsheet. Remember that this is hidden inside of the cemetery and should not be hunted after dark.