The cache is NOT at the posted coordinates. Don't go there unless you want to get wet.
To find this cache you must complete the Adventure Lab called: "University of Wisconsin - Stout Campus Tour".
The final location is at N44o 52.ABC W091o 55.DEC
You will receive one digit for the mystery cache at each of the 5 stops during the Adventure Lab.
Lookers who are vertically handicapped might need a TOTT.