The cache is not located at the posted coordinates
This cache will allow one to explore some swampy areas of
Huntsville and may present a nice challenge.
The cache is located at
N 3A BC.DEF
W 8G HI.JKL
Good Luck! 
You can check your answers for this puzzle on
Geochecker.com.
Congratulations to ScoutDog3 for the FTF