Bonus cache! 

This container is approximately at the posted coords. Complete the "Amazing Aurora" Adventure Lab to get a keyword for the checker.  A proper answer in the checker will give you coordinates, directions to the cache, and the combination to the lock.

The Aurora Central Library is open Monday - Saturday 10 AM - 6 PM.  CLOSED SUNDAYS.  Beginning January 3, 2023, the library will be open Monday - Thursday 9 AM - 8 PM, and Friday - Sunday 10 AM - 6 PM.  The Adventure lab can be completed at any time without entering the library. Check here for current hours

https://adventurelab.page.link/xCtu

You can validate your puzzle solution with certitude.

FTF congratulations go to......