This cache is a bonus for completing the GG Park Diamond in the Rough Adventure Lab.. To play the adventure lab, you will need the Adventure Lab App on your phone.
When you give a correct answer in the Adventure Lab, you will see a word. Take the first letter of the bonus word from each journal and scramble the 5 letters to form a word. Enter that keyword in Certitude to obtain the coordinates for this cache.
You can validate your puzzle solution with certitude.
Congrats to Deadly for FTS and FTF!