In order to find the coordinates for this historical tour of Haverhill bonus cache, you must complete the Queen Slipper City Adventure Lab. Use your phone's native QR code scanner to open this adventure in the Adventure Lab mobile app.
After completing the Adventure Lab, view your journal entries and enter your answer using the Certitude link below. N 42 4A.BC2 W 71 02.DE7
You can validate your puzzle solution with certitude.
This cache has been placed with permission. Please stay on the street side, be careful of the host object, and use the hint in certitude.