§7.74.1His rebus perfectis regiones secutus quam potuit aequissimas pro loci natura quattuordecim milia passuum complexus pares eiusdem generis munitiones, diversas ab his, contra exteriorem hostem perfecit, ut ne magna quidem multitudine, si ita accidat, munitionum praesidia circumfundi possent; §7.74.2ac ne cum periculo ex castris egredi cogatur, dierum triginta pabulum frumentumque habere omnes convectum iubet.
Having completed these works, Caesar, following the most level ground he could according to the nature of the area, and encompassing fourteen miles, completed similar fortifications of the same kind, facing the opposite way from these, against the external enemy, so that not even by a great multitude, if it should so happen, could the garrisons of the fortifications be surrounded; and lest he should be compelled to go out of the camp with danger, he ordered everyone to have thirty days' forage and corn brought together.