Matthew Poole and continuators on Numbers 21:16

16 And from thence they went to Beer : that is the well whereof the LORD spake unto Moses, Gather the people together, and I will give them water .

This place and Mattanah, Nahaliel, and Bamoth named here, ver. 19. are not mentioned among those places where they pitched or encamped, Numb. 33. Either therefore they did not pitch or encamp in these places, but onely pass by or thorough them, nor indeed is it here said they pitched or encamped in these places, which is said of those places Numb. 33. but onely that they went to them, ver. 18. or, these are stations omitted there, and to be supplied from hence, for though it be there said they went from such a place and pitched in such a place, yet it is not said they went immediately from the one place to the other, and therefore they might take these places in their way.

To wit, in a miraculous manner.