Welcome to Saint Marys Cemetery. At the posted cords you will be standing in front of the entrance gate(s). There are actually three gates here, the main gate for flanked by two smaller gates. Each of the smaller gates has a date on it. You will need the date from the right gate and the left gate to solve the puzzle. Right or Left will be determined from your view of the gate(s) from the outside of the cemetery.
The Puzzle
North add Left Gate Date to:
N42 39.657
West Add Right Gate Date to:
W082 43.345