This cache is NOT at the published coordinates. You will need to channel your inner Watney to solve this puzzle and locate the final cache.
He may be a botanist, the first man to colonize another planet and a space pirate but first and foremost Mark Watney is a puzzle solver who never gives up. Can you channel your inner Watney and find the location of the cache?
You need water to survive, but what would Mark burn to get it?
You can validate your puzzle solution with certitude.
Next, try here...
