Deuteronomy 3:6 (KJV)

And we took all his cities at that time, there was not a city which we took not from them, threescore cities, all the region of Argob, the kingdom of Og in Bashan.

All these cities were fenced with high walls, gates, and bars; beside unwalled towns a great many.

And we utterly destroyed them, as we did unto Sihon king of Heshbon, utterly destroying the men, women, and children, of every city.

But all the cattle, and the spoil of the cities, we took for a prey to ourselves.

And we took at that time out of the hand of the two kings of the Amorites the land that was on this side Jordan, from the river of Arnon unto mount Hermon;