**Geocache is not at the published coordinates**
This is my 100th puzzle hide!
This is a bonus cache for those completing the Glencoe History Adventure Lab. Upon completion of the final stage, you will be given a key word to enter into the geochecker below. The correct keyword will get you the coordinates for the final, bonus cache. Thanks for playing, and happy caching!
The easiest way to play the Adventure Lab is with the Adventure Lab app from Geocaching.
You can validate your puzzle solution with certitude.