New King James Version
They had to live in the clefts of the valleys, In caves of the earth and the rocks.

King James Bible
To dwell in the clifts of the valleys, in caves of the earth, and in the rocks.

American Standard Version
So that they dwell in frightful valleys, In holes of the earth and of the rocks.

Berean Study Bible
so that they lived on the slopes of the wadis, among the rocks and in holes in the ground.

Douay-Rheims Bible
They dwelt in the desert places of torrents, and in caves of earth, or upon the gravel.

English Revised Version
In the clefts of the valleys must they dwell, in holes of the earth and of the rocks.

World English Bible
So that they dwell in frightful valleys, and in holes of the earth and of the rocks.

Young's Literal Translation
In a frightful place of valleys to dwell, Holes of earth and clefts.

Job 30:6 Additional Translations ...