This cache is NOT at the posted coordinates.
To find this cache, simply complete the Freedom Park Adventure Lab. In the process of completing the steps for the Adventure Lab, you will be provided details for solving the final coordinates for this bonus cache in the journal enteries of the labs.
You will need to install the "Adventure Labs" app in order to complete the steps in the Freedom Park Adventure Lab.
Direct link to the Adventure Lab: https://adventurelab.page.link/H7A8
The final can be found at N 35° AA.BCD' W 80° 50.EBC'