Joshua 8:30

30 Then Joshua built an altar to Yahweh, the God of Israel, on ^aMount Ebal,

Joshua 8:31

31 just as Moses the servant of Yahweh had commanded the sons of Israel, as it is written in the book of the law of Moses, ^aan altar of uncut stones on which no man had wielded an iron tool; and they offered burnt offerings on it to Yahweh and sacrificed peace offerings.