The cache is NOT at the posted coordinates!
In order to determine the final coordinates for this cache, you will need to complete the Historic Flood of 2008 Adventure Lab. There will be information provided in the journal enteries that will guide you to this final.
The cache is located at N 41° AB.CDE W 091° FG.FGE
Good luck and have fun!
Congratulations to The Weasel for the FTF! 