This bonus geocache is NOT at the posted coordinates.
First, you will need the Adventure Lab app available from the app store on your smartphone.
You will then need to complete the "Wyoming Welcome Center" Adventure Lab in order to get the final coordinates.
You will have 5 stops to complete before you receive the coordinates. You may retrieve the coordinates at any time after you have completed the tour by viewing the journal of the "Wyoming Welcome Center" Adventure Lab series. It will be listed on one of the entry.
The difficulty rating of this cache reflects the additional legwork required to unlock the final coordinates, actual hide difficulty is 1.5.
Click here to get started: https://adventurelab.page.link/K3Rq