This is a Bonus Cache not at the Posted Location, You must complete the Huntington Beach Historic Downtown Adventure Labs
and you will be given a keyword for the Certitude Checker below to get the Final Coordinates.
Enjoy an easy walk aound Downtown HB to some interesting places and finish with this Bonus Cache.
Open the AL in the Adventure lab App
Click Here to open in Adventure Lab App
You can validate your puzzle solution with certitude.