There are many old mine workings, which often were extensions of natural cave systems.

And if he killed the girl in the mine workings, why move the body?

Now, in the dales beyond he could see the remains of the old mine workings.

By 1964, the mine workings had reached 90 m below sea level.

The uppermost level of the mine workings were 500 feet down and No.115 was considered lost for ever.

Part of the old mine workings is now used as the reservoir for the village.

As a result, the water needed for the mine workings sometimes had to be transported over long distances.

No mine workings could serve as a cover for that kind of stuff.

Coal was king, and remnants of many old mine workings still run under the town.

On the far side of the dam higher up the valley were the actual mine workings.