Note 472 — Chapter X · (Year of Rome 702.) (Book VII. of the “Commentaries.”) REVOLT OF GAUL—CAPTURE OF VELLAUNODUNUM, GENABUM, AND NOVIODUNUM—SIEGES OF AVARICUM AND GERGOVIA—CAMPAIGN OF LABIENUS AGAINST THE PARISII—SIEGE OF ALESIA.
Reading edition
This is evident, since the Romans, in order to be able to give the assault, were obliged to construct a terrace eighty feet high. General de Gœler believed this measurement exaggerated. Nevertheless, as this terrace was constructed in a ravine, it was necessary that it should compensate a difference of level of eighty mètres, of which thirty, perhaps, represent the height of the wall.