You are looking for the headstone of James P. Kirkham. He was a a Civil War veteran who served with three different units during the conflict as a private in the Union Army.
Subtract 1264 from the year he was born and consider that ABC.
Subtract 1013 from the year he died and consider that XYZ.
The final hide location is: N 44 32.ABC W 093 09.XYZ ,