Numbers 3:35
Now the leader of the clan of the families of Merari was Zuriel son of Abihail. These were to camp on the north side of the tabernacle.
Numbers 1:53
But the Levites must camp around the tabernacle of the testimony, so that the Lord's anger will not fall on the Israelite community. The Levites are responsible for the care of the tabernacle of the testimony."
Numbers 2:25
"On the north will be the divisions of the camp of Dan, under their standards. The leader of the people of Dan is Ahiezer son of Ammishaddai.
Numbers 3:28-29
Counting every male from a month old and upward, there were 8,600. They were responsible for the care of the sanctuary.