Keywords: Smolensk forest defense line.jpg Map of forest defense line from Smolensk to Chernigov established in 1706 First half of 18th century Location Dept of Manuscripts Library of Academy of Sciences Petersburg Class 35 file 658 No 571 from Collection of the XVIII-th century maps of Dept of manuscripts Library of Academy of Sciences Petersburg was described and catalogued in Gnucheva V F Geograficheskii departament Akademii Nauk XVIII v Geographic Department of Academy of Sciences in XVIII century Moscow - Leningrad 1946 Ландка та засечной че ты уст оенной в 1706-1708 годах от Смоленска до Б янска Из соб ания ка т XVIII века в а хивах Российской Академии наук http //www ihst ru/personal/krm/maps/forest_defence_line jpg 1st half of the XVIII century author PD-RusEmpire Russian fortified lines PD-old |