We used an ancient tunnel for the burial site--a leftover shaft dug three thousand years earlier by some unknown alien race.
The shaft we can dig.
Early tombs - vertical shafts dug to hold a single body - were created only for a hereditary aristocracy.
If the uranium is too far below the surface for open pit mining, an underground mine might be used with tunnels and shafts dug to access and remove uranium ore.
A shaft dug into the valley was possibly used as a water source.
A shaft dug into the kurgan indicated that this later grave had been robbed, another means by which water and snow entered and seeped into the Ice Maiden's hollow burial chamber.
The Sarian was aware that the interior of the tree led into a shaft dug in the solid ground and a moment later he felt his feet touch the floor of a dark tunnel.
The early catacombs comprised a singular shaft and chamber tombs dug from the vertical face of a quarry.
He snatched a second shaft and this time dug with all his might at the line of cleavage just beyond the bar.
The resultant shaft of blue energy pulverized the root and dug past it into the rocky red ground below.