Cache is NOT at the posted coordinates. Instead, the coordinates will take you to a spot where you will find a series of numbers. You will use these numbers to find the location of the cache container.
The final location of the cache is:
N 35 25.1BA
W 77 58.B1B
"A" will be the second digit from the RIGHT.
"B" will be the third digit from the RIGHT.
You can validate your puzzle solution with
certitude.