Numbers 20:8
8 t“Take the staff, and assemble the congregation, you and Aaron your brother, and tell the rock before their eyes to yield its water. So uyou shall bring water out of the rock for them and give drink to the congregation and their cattle.”
Exodus 17:6
6 cBehold, I will stand before you there on the rock at Horeb, and you shall strike the rock, and water shall come out of it, and the people will drink.” And Moses did so, in the sight of the elders of Israel.