It is a stone quarry.
a place where stone is dug out is a mine or a quarry
A Quarry
Quarry.
a mine
A ROCK QUARRY
stones are grown in a quarry
they dug the ditchwith shovels made outof stone
The hiding place of a trench is called a "firing step." This is a ledge or platform within the trench where soldiers can stand or kneel to fire their weapons while still being protected by the trench walls. The firing step is strategically positioned to provide cover and allow soldiers to engage with the enemy from a position of relative safety.
A hole that has been dug is simply called a "dug hole."
People call it the Stone Age because of the about of stone tools at the time.
A canoe or boat dug out from a large log., A place dug out., A house made partly in a hillside or slighter elevation.