What are the concrete tops of coffins or coffin encasements that sit on top in some old graveyards? Has the earth eroded, and we are seeing what was buried deeper years ago,
Does a concrete burial vault protect a casket from anything getting in (elements, etc.) after burial takes place? - Quora
![Concrete Maintenance Shell, "Concrete Box" - Lake Shore Funeral Home & Cremation Services | Waco Texas Concrete Maintenance Shell, "Concrete Box" - Lake Shore Funeral Home & Cremation Services | Waco Texas](https://www.lakeshorefuneralhome.com/wp-content/uploads/2014/10/Concrete-Grave-Liner.jpg)