How do you find the hidden story of the First World War landscape? In this special bonus episode of The Old Front Line, we explore the fascinating world of WW1 trench maps and discover how they can transform your understanding of the Western Front and beyond.

We begin by looking at the Blue Series IGN maps that first inspired a deeper exploration of the battlefields, before uncovering the remarkable trench maps created during the Great War. What were trench maps? How were they produced? Who used them, and why are they still such an invaluable resource for battlefield historians today?

The episode also tells the story of Lieutenant Colonel Evan Maclean Jack CMG DSO, one of the key figures behind the development of British trench mapping, and examines his lasting influence on military cartography.

Finally, we put theory into practice by studying three original trench maps from very different theatres of war: Richebourg on the Lys battlefield, Neuville Vitasse south of Arras, and the Salonika Front around Lake Doiran. Together they reveal how maps recorded trenches, strongpoints, roads, artillery positions and the ever-changing front line.

Main Image: Trench Maps of Arras, Richebourg and Salonika. The portrait is Lt Col Evan Maclean Jack CMG DSO, 'Maps' at GHQ (IWM archive)

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