The base of the south ventilation tower, 1965
Société d’histoire des Îles-Percées
The air exhaust structure for the tunnel was built in the base of the south ventilation tower.
The Louis-Hippolyte Lafontaine Bridge–Tunnel The Louis-Hippolyte Lafontaine Bridge–Tunnel: A Feat of Engineering Between Two Shores Atelier d'histoire Mercier-Hochelaga-Maisonneuve