Strangely enough this very important ravine had been missing from every contemporary French map of the area.
The first written record of the name appears as "Outakouaminan" in a 1671 French map.
It appeared in old French maps with the name Courant de Malicut.
A French map made of Gibraltar in 1811 shows that the cemetery was well established.
A group of mid-16th-century French maps, the Dieppe maps, formed his main evidence.
He produced the first French map of the west in 1733.
Based on clues from aerial photographs and French maps, the team located a house of the former settlement in February 1989.
The area also appears on French maps as the "Third Military Territory".
It appeared on the old French maps as Courant de Caridou.
Westernport's first settlement is identified on a French military map dating from 1758.