The cache isn't at the posted coordinates!!
But, you'll need to get in the vicinity to figure out where the Final is located.
Bee Branch Greenway is part of a flood mitigation project undertaken by the City of Dubuque to aleviate a multitude of flood issues that plagued this neighborhood through the years. This 1-mile linear greenway has been created for multiple uses. Its eye appeal is undeniable and still handles flash flooding with its open design.
Posted coordinates will bring you close to a large yellow diamond-shaped sign with a caution statement on it.
Number the first ten unique letters on this sign 0-9
This will be your answer key for all six Bee Branch Bimble Multi-caches.
The cache can be found at:
N42 30.GHL W090 40.WAF
This photo was taken while standing near ground zero. That should help your search.
Good luck!