Based on Ivan Moskvitin 's account , the first Russian map of the Far East was drawn in March 1642 .
Moskvitin reported his discoveries to Prince Shcherbatov , the Muscovite voivode in Tomsk .
Based on Moskvitin   's account , the first Russian map of the Far East was drawn in March 1642 .
Moskvitin reported his discoveries to Prince Shcherbatov , the Muscovite voivode in Tomsk .