Numbers 21:14-18

Therefore it is said in the Book of the Wars of the LORD: “Waheb in Suphah, The brooks of the Arnon, And the slope of the brooks That reaches to the dwelling of Ar, And lies on the border of Moab.” From there they went to Beer, which is the well where the LORD said to Moses, “Gather the people together, and I will give them water.” Then Israel sang this song: “Spring up, O well! All of you sing to it— The well the leaders sank, Dug by the nation’s nobles, By the lawgiver, with their staves.” And from the wilderness they went to Mattanah