This a three-stage multicache in the Lakeland Cemetery, also known as Lakeland Memorial Park.
The posted coordinates bring you to the final resting place for Alma Doak. The headstone has only her name and a date. Add up all the numerals carved on the stone and add 32 to get AB from the coordinates for stage 2.
N 39° 47.2AB W 075° 04.934
Stage 2 is the grave of an Army veteran from World War I, Private First Class James H. Pierce. Add the four digits of his birth year and the four digits of his death year and subtract 12 to get CD from the coordinates for the final.
N 39° 47.311 W 075° 04.9CD
Now off you go to get the cache!