CACHE IS NOT AT THE POSTED COORDINATES.
Abraham got himself into trouble one day. His punishment was to build a wall made of rock around his mom's garden. The wall would take 871 rocks to be completed. He has already stacked up 820 bricks.
? is the amount of rocks that Abraham needs to finish the job. Cache is at N51 07.628 W100 15.?
This cache has been placed for Cachefest 2014. The cache should not be logged before 9:30am on Saturday, Sept.13, 2014. Feel free to find and log it anytime after that. As part of the event there will be a resource card inside the cache. Please only take one card per team. Good luck!