Map: Attempt of Helvetii to Cross the Rhone by A.J. Mason

Map of geography of the Rhone river region through which the Helvetii attempted to migrate (Caesar's Gallic War 1.6-8). From Charles Anthon, Caesar’s Commentaries on the Gallic War and the First Book of the Greek Paraphrase (New York: Harper & Brothers, 1862), p. 6.