And the LORD appeared unto Abram, and said, Unto your descendants will I give this land: and there built he an altar unto the LORD, who appeared unto him.
And he removed from there unto a mountain on the east of Bethel, and pitched his tent, having Bethel on the west, and Ai on the east: and there he built an altar unto the LORD, and called upon the name of the LORD.
And Moses wrote all the words of the LORD, and rose up early in the morning, and built an altar at the foot of the mountain, and twelve pillars, according to the twelve tribes of Israel.
And you shall make an altar of acacia wood, five cubits long, and five cubits broad; the altar shall be foursquare: and the height of it shall be three cubits.