cavern system

The situation would be quite different if the cavern system was empty.

This is the only documented death within the Cavern system.

"Are there any maps of cavern systems on this ice ball?"

There is no mention of cavern systems in any of them.

The sanctuary is a cavern system in a huge outcrop of rock.

The cry was echoing through the cavern system; the creature might be anywhere.

Centuries ago, Native Americans used the cavern system for shelter.

Eventually the surface froze again, sealing and preserving the cavern system below.

The underground cavern system had a branch that opened barely half a mile from the camp.

To judge by that, the cavern system could be empty-except for them and the mute robot.

Only to rematerialise in the main exhaust channel of the giant cavern system!

All structures are contained in an extensive cavern system since the surface is inhospitable.

While they carved out their new habitation from the basic cavern system, everything would be covered with stone dust.

"The fresh air is pocketed in a cavern system that wraps around the station.

By then it will have spread all over the surface and flowed down side tunnels into parts of the cavern system."

You see, this cavern system isn't all flooded.

We press on into the cavern system.

There is also an extensive underwater cavern system.

He suggested the Crawl Space might be the tiny remnant of the larger cavern system.

The cavern system was originally an aquifer, holding an underground river of melted glacier water.

"So the ventilation shaft empties into this cavern system?"

He hoped the two unicorns had flown up and out of the cavern system, knowing that he.

In doing so they discover numerous humanoid bodies, and conclude that the cavern system is a burial ground.

There was so much to the cavern system, so much more than Aton had ever imagined.

"Planet's a shell with an immense cavern system - geologists suggest that the planet cooled too fast."