Numbers 1:50

1:50 But appoint the Levites over the tabernacle of the testimony, over all its furnishings and over everything in it. They must carry the tabernacle and all its furnishings; and they must attend to it and camp around it.

Numbers 11:25

11:25 And the Lord came down in the cloud and spoke to them, and he took some of the Spirit that was on Moses and put it on the seventy elders. When the Spirit rested on them, they prophesied, but did not do so again.