Why is My Mishkan still under My Heel Stone?
Auger coring 1.2m (4ft) below it too Hard?
Your Book does not Mention it, Why?

And in it have I put the ark, wherein is the covenant of the LORD, that he made with the children of Israel.

And I have set there a place for the ark, wherein is the covenant of the LORD, which he made with our fathers, when he brought them out of the land of Egypt.

And it came to pass, as the ark of the covenant of the LORD came to the city of David, that Michal, the daughter of Saul looking out at a window saw king David dancing and playing: and she despised him in her heart.

And the priests brought in the ark of the covenant of the LORD unto his place, to the oracle of the house, into the most holy place, even under the wings of the cherubims: / For the cherubims spread forth their wings over the place of the ark, and the cherubims covered the ark and the staves thereof above.

And it came to pass, when the priests that bare the ark of the covenant of the LORD were come up out of the midst of Jordan, and the soles of the priests' feet were lifted up unto the dry land, that the waters of Jordan returned unto their place, and flowed over all his banks, as they did before.