Which preposition to use with jacet

IN Occurrences 2%

" Setting down the lantern, he commenced work, and with pious toil engraved on the stone in the Latin of the period: "HAC MAGNUS STULTUS JACET IN FOSSA SEPULTUS.

of Occurrences 1%

Meanwhile, will nobody write the hic jacet of the deceased?

Which preposition to use with  jacet