The posted coordinates take you to the gates of Hillcrest Cemetery in Bolingbrook where you will find the main sidewalk path through the grounds. Follow the sidewalk northwards until you come upon the headstone of Charles H. Stafford. The headstone lies east of the sidewalk and is easily visible. Noting the year Charles died, it’s remarkable that this suburban cemetery is that old.
Set the YEAR of his birth = ABCD
Set the DAY of his death = XY
The final can be found at N 41 42.DDB
W 88 03.X [A+C] [Y-X]
NOTE: This cache was placed while there was over a foot of snow on the ground. The sidewalk to Stage 1 has been cleared but not perfectly. Final is walking distance away but will require trudging through some snow. Be prepared.