Everyone was in the Chinese dirt two feet below the top of the native rocks and mortar.

The strip was made of the native red rock from the area.

The fireplace was built of native rock; its heat warmed the entire room.

They pressed him forward against a low barrier carved from native rock.

Last the centers would be covered in concrete, steel and native rock.

Near the fire stretched a rough plane of native rock, perhaps ten feet across.

The house was built of native rock and had walls three feet thick.

The stone that had been used to construct the fortress was not a native rock.

Not native rock, like every other place in the fortress.

He planned to build it himself, out of native rock.