Joshua 8:32-33

32And 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.

33Then all Israel, with their elders and officers and judges, stood on either side of the ark before the priests, the Levites, who bore the ark of the covenant of the Lord, the stranger as well as he who was born among them. Half of them were in front of Mount Gerizim and half of them in front of Mount Ebal, as Moses the servant of the Lord had commanded before, that they should bless the people of Israel.