The New Student's Reference Work/Dwina

Dwina (dwē′ nȧ), Dvina or Düna, the name of two important rivers of. (1) The northern Dwina is formed by the coming together of the Sukhona and the Yuk. It flows in a general northwest direction through a flat country to the Gulf of. Its length is about 450 miles, and it has several large tributaries, the largest of which, the Viuchegda, is navigable for 500 miles. The river is a valuable channel of inland trade. (2) The western Dwina rises not far from the source of the and the, emptying into the Gulf of. Its course is 500 miles long, part of which is navigable. It is connected with the Dnieper, and thus with the, by the Beresina Canal, and by other systems with the , the and the.