Map: Campaign of 52 BC by Greenough, D'ooge, and Daniell
Map of the arena of the campaign of 52 BC against Vercingetorix and his Gallic alliance (Caesar's Gallic War Book 7). From J.B. Greenough, B.L. D’ooge and M.G. Daniell, Caesar’s Gallic War (Boston: Ginn & Company, 1898), p. 186.