1. Tabula geographica generalis Imperii Russici ad normam novissimarum observationum astronomicarum concinnata (Raster Image) Datasets Stanford University Public content 1776. Rumsey, David, 1944- and Treskot, Johann, 1719-1786. This layer is a georeferenced image of a map of Russia (1776). This map shows the Russian Empire stretching from Europe east to the Aleutian Island... Cartography Associates.