Stones: Thrown Upon Accursed Ground

And you shall attack every fortified city and every city of importance. You shall cut down every good tree, stop up every spring, and ruin every good field with stones.”

They destroyed the cities, and each man threw stones on every good field until it was covered. They stopped up every spring and cut down every good tree. Only Kir-haraseth was left with stones in place, but men with slings surrounded it and attacked it as well.