MnSQ: Zoar United Cemetery
The cache is not located near a grave... Please be respectful and cache in, trash out. Also, please only search for cache during daylight hours.
At the posted coordinates, you should look for the grave of Marine Corporal Jonathan Buetow. There is not much to find on this Marine, but by the dates, it seems like he did not survive his first four-year enlistment. He passed away after just turning 21.
On the gravestone, Buetow died in what year 19XX? Consider this AB.
Then:
N44 46.(512 + AB)
W93 42.(161 + AB)