Source: Per news clipping post by David Archer at 18th Battalion Facebook Page (not group).
Find-A-Grave
Causton, Douglas Arthur: Service no. 412678
History of the 18th Battalion CEF, "The Fighting Eighteenth"
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: Per news clipping post by David Archer at 18th Battalion Facebook Page (not group).
Find-A-Grave
History of the 18th Battalion CEF, "The Fighting Eighteenth" 