But in the government of Vologda, on the rivers Sukhona and N.
The limits of the Russian Jurassic system may be represented by a line drawn from the double valley of the Sukhona and Vytchegda to that of the upper Volga, and thence to Kieff, with a wide gulf penetrating towards the N.W.
Dvina is formed by the union of the Yug and the Sukhona.
to join the Sukhona, through a woody region, thinly peopled, is navigable for 500 m.
A railway has also been built to connect Perm with Kotlas, near the confluence of the Sukhona with the Yug, at the head of the N.