as Moses the servant of the LORD had commanded the children of Israel, as it is written in the Book of the Law of Moses: "an altar of whole stones over which no man has wielded an iron tool." And they offered on it burnt offerings to the LORD, and sacrificed peace offerings.
Joshua 8:31
Surrounding context
8:30 Now Joshua built an altar to the LORD God of Israel in Mount Ebal,
8:31 as Moses the servant of the LORD had commanded the children of Israel, as it is written in the Book of the Law of Moses: "an altar of whole stones over which no man has wielded an iron tool." And they offered on it burnt offerings to the LORD, and sacrificed peace offerings.
8:32 And there, in the presence of the children of Israel, he wrote on the stones a copy of the law of Moses, which he had written.