Deuteronomy 27:6 in the King James Version
Thou shalt build the altar of the LORD thy God of whole stones: and thou shalt offer burnt offerings thereon unto the LORD thy God:
Context
5 There you shall build an altar to the LORD your God, an altar of stones. You shall not use any iron tool on them.
6 You shall build the LORD your God’s altar of uncut stones. You shall offer burnt offerings on it to the LORD your God.
7 You shall sacrifice peace offerings, and shall eat there. You shall rejoice before the LORD your God.