The posted coordinates take you to the base of the Mount Vernon Veterans Memorial. On the front of the memorial is a bronze plaque that is dedicated to the soilders and sailors of Posey County, Indiana.
Using the given date, the month is "A", the day is "BC", and the year is "DEFG".
To reach the final coordinates use the distance "GFB" feet and a bearing of "DGD.C" degress.