06 November 2026

How CIM members and Canadian mining efforts supported the world wars

As Remembrance Day approaches, we pause to consider the immense sacrifices made not only on the battlefield, but in the often-unseen critical operations that supported Allied war efforts. The courage of Canadian miners and CIM members, who braved hazards ranging from secret tunnels beneath enemy lines to strategic sites like Gibraltar and Bell Island, stands as an enduring testament to the mining community’s vital wartime role.

To commemorate Remembrance Day 2026, we are sharing a collection of CIM Magazine stories highlighting their service, resilience, and industrial contributions:

• Lifeline to the trenches: A dedicated section in the monthly CIM Bulletin delivered correspondence, news from home, and comfort directly to members serving on the front lines during the First World War.
• Fortifying the Rock: Canadian tunnelling companies applied hard-rock expertise to excavate a vast subterranean network inside Gibraltar, safeguarding a vital British strategic base during the Second World War.
• Subterranean warfare: Beyond the dreadful conditions above ground, specialized Canadian mining crews faced unique perils digging silent, explosive-laden tunnels beneath enemy trenches.
• War at our doorstep: Newfoundland’s Bell Island iron ore operation, critical to Allied steel production, came under direct German U-boat attack in 1942, sinking four cargo vessels and bringing the war home to miners.
• The trailblazer alloy: Developed by Inco in 1905, Monel became a key metallurgical asset for wartime defence, supplying high-performance nickel-copper alloy crucial for naval vessels and military equipment in both conflicts.

As Remembrance Day approaches, we pause to consider the immense sacrifices made not just on the battlefield, but in the often-unseen critical operations that supported the war efforts. The courage of the Canadian miners and CIM members, who faced danger from the tunnels beneath enemy lines to the strategic importance of places like the Rock of Gibraltar and Bell Island, is a testament to the essential role the mining community played in both World Wars.

Their stories of dedication, resilience, and service are a vital part of our national history. On Remembrance Day, we honour their memory, ensuring the contributions of these remarkable individuals and the pivotal mines they worked in are never forgotten.