By the end of the 16th century, the Russians had established a commercial route via the Arctic to the fur-trading centre of Mangazeya on the Taz River in western Siberia. From the mouth of the Northern (Severnaya) Dvina River, the route ran coastwise, through Yugorsky Shar Strait to the west coast of Yamal; to avoid the difficult ice conditions farther north, the shallow-drafted vessels crossed the peninsula to the Gulf of Ob via two opposing rivers and an intervening portage. Use of this route was officially discontinued relatively soon afterward as a result of prohibitions by Tsar Michael in 1616 ...(100 of 37874 words)
