At the posted coordinates you will find two utility boxes that have three digit numbers on them. One has a letter in front of it which you can ignore. On the left box you will see a three-digit number ABC and then on the right box ignoring the letter you will see a three digit number XYZ. You can find the final geocache container at
N 42° 44.(A+C)(A)(B) W 086° 07.(Z)(Z)(Y+Z)
Checksums North 13 West 16