Maps created for the Allied intervention in Russia, 1918-1919, the "Polar Bear Expedition."
The collection contains maps (Scale 1:420,000) of the district of Archangel, Russia created in 1918 by engineers of the Allied intervention in North Russia, the 1st Battalion, 310th U.S. Engineers. The maps were published by the Allied Mapping Section. This copy contains only five of the six sheets published. Another copy of this map is found in the Frederick C. O'Dell papers.