This bonus physical cache is associated with the Adventure Lab City of Blaine - Over All Walls Murals. The cache container is not located at the posted coordinates but is hidden within 2 miles.
To obtain the final coordinates for this bonus cache, visit all 5 Adventure Lab locations and answer a question correctly at each stop. The Adventure Journal will include a clue for each correctly answered question.
N 48 59.ABC W 122 44.DEF
The Adventure Lab mobile app with an internet connection is required to complete City of Blaine - Over All Walls Murals. Use your phone's native QR code scanner to open this adventure in the Adventure Lab mobile app.
The total walk or drive should take less than 1 hour. I hope you enjoy exploring the murals in Blaine!
You can validate your puzzle solution with certitude.