Which preposition to use with plongeon

at Occurrences 1%

A statue of a sleeping god holding a vase was disinterred by Dr. Le Plongeon at Chichen Itza, and it is too entirely similar to others found at Tlaxcala and near the city of Mexico, for us to doubt but that they represented the same divinity, and that the god of rains, fertility and the harvests.

on Occurrences 1%

Discovered by Dr. Le Plongeon on June 1, 1881.With engraving.

Which preposition to use with  plongeon