Le Havre [North West], Defence Overprint [Operation Astonia], 5 September 1944
Operation Astonia (September 10-12, 1944). Overprint produced by the Royal Canadian Engineers. This map was originally held by the Department of Defence, and was acquired by the Laurier Military History Archive (LMH) from the Directorate of History and Heritage, Government of Canada, in the 1990s. Digitization and georeferencing of the map was performed at the University of Waterloo.