Do they make a Metal Detector that can detect though cement?

though research found out in a old history book that this old man didnt trust banks and buried 2 can full with gold coins .I belive its in a river that long long been cemented .so………
anyway to detected it?
probably a foot of cement.

Yes, this is available and they even can specify type of things with high accuracy. Keep searching (in Internet) about such interesting topic-technology, I am sure you will find more..

Regards.

Metal Detecting Tues short Hunt 1st Gold