[Maps of Archangel District, Russia], 4th ser., circa 1918
9 maps (color; 27 x 35 cm.)
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 by engineers of the Allied intervention in North Russia, the N.R.E.F. Mapping Section. The Bentley Historical Library has only a partial set of these maps.