Map of Olonets province as source of socioeconomic information about territory of Karelia in first quarter of XVIII century

The information value of the first Russian large-scale map of karelian territory is studied. «The map of Olonets uyezd», put together by the cartographer Akim Rleshnin in 1728, contains useful information on the social and economic infrastructure of the territory. To verify reliability of the map a comparative study of the reported information with various data from other written sources was carried out.