30 In the Corners Challenge

This is a challenge cache.  You must meet the requirements of this challenge before claiming a find, but are welcome to sign into this challenge and leave a note that you have done so, at any time.  The cache is hidden at the posted coordinates.

In order to qualify for this challenge, you must have found at least 30 of each of the following D/T combinations: 1/1, 1/5, 5/1, 5/5.  That's a total of 120 finds necessary to qualify.  Good luck and happy caching!