Note 2 — Chapter IV
Reading edition
The 2nd and 3rd Canadian Infantry Brigades took over the line from the French 11th Division on April 17th. It was perhaps true that the French had not developed at this part of the line the elaborate system of support trenches which had been a model to the British troops in the south. The Canadians had planned several supporting points which were in a half-finished state when the gas attack developed.