Chapel Vault?

So we have a vault that we have not yet found and cannot be positively ID'd but now you say youve knocked the vault over and deeper and that why we didnt find it?
Come on guys! Dig some more, or fire those Irving pelicans!

I think the two small looking eyeball ponds need digging and metal detecting. Also metal detect the heck out of the island and the shore and the shallows! Coastlines are always shrinking, whats shore today might have been land years ago. Chapel vault or not, dont just stand around! Come get me Laginas, put a shovel and a metal detector in my hand and ill metal detect the heck out of that island!!!