This geocache is an Adventure Lab bonus.
To find the location of this geocache, play the adventure lab "Exploring Evelyn Schiffler" first. There are 5 stages and each will grant you it's own smiley, as well as parts of the coordinates to this geocache. Adventure Labs may be played on a free phone app. Click the link to start your fun!
The Cache:
Please do not unhook anything. All you have to do is unscrew the bison tube to access the log. Once you have signed the log you are free to log a find. I hope you enjoy this adventure lab!