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Upgraded chapter of Single maps of inter-war Lithuania (1918-1940), also updated chapters of 1-verst (1:42000), 2-verst (1:84000), 3-verst (1:126000) and 10-verst (1:420000) maps of Russian empire. General chapter Russian maps (1790-1917) supplemented by new information showing augment newest survey done by topographers of Russian empire (till 1917). |