Chapters of 2-verst (1:84000) maps of Russian empire (Two-verst map of west borderland of Russian Empire orig. named Двухверстовая карта западного пограничного пространства) and 1:25000 WWI period Geman maps (Russian map of western frontier orig. named Russischen karte des Westlichen Grenzgebiets) were supplemented by new information. |