New Revised Standard Version
Amaziah took courage, and led out his people; he went to the Valley of Salt, and struck down ten thousand men of Seir.

Contemporary English Version
After Amaziah got his courage back, he led his troops to Salt Valley, where he killed 10,000 Edomite soldiers in battle.

New American Bible
Amaziah now assumed command of his army. They proceeded to the Valley of Salt, where they killed ten thousand men of Seir.

Douay-Rheims Bible
And Amasias taking courage led forth his people, and went to the vale of saltpits, and slew of the children of Seir ten thousand.

And Amasias taking courage led forth his people, and went to the vale of saltpits, and slew of the children of Seir ten thousand.

valley

2 Samuel 8:13 David also made himself a name, when he returned after taking Syria in the valley of the saltpits, killing eighteen thousand:

2 Kings 14:7 He slew of Edom in the valley of the Saltpits, ten thousand men, and took the rock by war, and called the name thereof Jectehel, unto this day.

Psalm 60:1 Unto the end, for them that shall be changed, for the inscription of a title, to David himself, for doctrine, [2] When he set fire to Mesopotamia of Syria and Sobal: and Joab returned and slew of Edom, in the vale of the saltpits, twelve thousand men. [3] O God, thou hast cast us off, and hast destroyed us; thou hast been angry, and hast had mercy on us.