This image is a derivative work of the following images: File:USSR_map_NP_35-11_Sortavala.jpg licensed with PD-USGov-Military-Army 2010-09-12T08:06:08Z ShinePhantom...
DescriptionUSSR map NP 35-11 Sortavala.jpg English: :Sortavala, on Lake Ladoga, northwest USSR. List from Eastern Europe AMS Topographic Maps. Series N501...
