The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
(also Bol’shaia Vizenga, Vizinga), a river in Komi ASSR, the left tributary of the Sysola River (Vychegda basin). The Bol’shaia Vizinga is 167 km long, drains a basin of 1,970 sq km, and is fed primarily by snow.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.