This bonus geocache is NOT at the posted coordinates.
First, you will need the Adventure Lab app available from the app store on your smart phone.
You will then need to complete the "The 80027: Journey through Louisville and Superior" Adventure Lab in order to get the final coordinatess and instructions on how to access the physical container.
You will have 5 stops to complete before you recieve a keyword. You may retrieve the keyword at anytime after you have completed the tour by viewing the journal of the "The 80027: Journey through Louisville and Superior" Adventure Lab series. It will be listed on the final entry.
Go here to get started: https://labs.geocaching.com/goto/80027

You can validate your puzzle solution with certitude.
CONGRATS to LostInDenver for the FTF on this and the Adventure Lab!!
Additional Waypoints