The posted coordinates will bring you to the grave of Freeman Burnham in Benard Cemetery.
The coordinates for this cache can be found by using the birth and death dates of Polly Mitchel, his wife.
N41 37.ABC W88 39.DEF
A = Day of birth minus one
B = Month of death minus one
C = Month of death plus one
D = Third digit in year of death (19D4)
E = Month of birth minus day of birth
F = Final digit in year of birth (182F)