Maps created for the Allied intervention in Russia, 1918-1919, the "Polar Bear Expedition."
The collection contains maps (Scale 1:420,000 and [1:1,050,000] not "1/105,000") of the district of Archangel, Russia created in 1918 by engineers of the Allied intervention in North Russia. Individual sheets are by the Elope Mapping Section or the N.R.E.F. Mapping Section.