Air Photograph sketch of North Russia, 1919 (along rail line south of Murmansk). This item shows the enemy positions which are marked. Item came from Colonel Leckie who was involved in the intervention. The notes state that this item was sent to the Canadian War Museum (CWM). The North Russia Intervention, also known as the Northern Russian Expedition and the Murman Deployment, was part of the Allied Intervention in Russia after the October Revolution. The intervention brought about the involvement of foreign troops in the Russian Civil War on the side of the White movement. The northern campaign lasted from the final months of World War I in 1918 through to September1919.