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Gului-gorod or Gulyay-gorod Bereg Line – Pre-Ivan IV 1.    Nizhni Novgorod to Zvenigorod Line (largely riverine line along Moskva river not itself shown) 2     Kolomna to Kaluga Line (along Oka) Ivan IV (1547–1584) 3.    Novgorod Severski (Desna) Line – Alatir (Sura River) to Putivl’ 4.    Zasechnaya Line – Pereslavl-Ryazanski (Oka) to Kozelisk (Zhizdra) 5.    Zasechnaya […]