The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
small relief forms (river valleys, gullies and ravines, hill or ridge combinations of glacial forms, karst forms, and so on) that were formed mainly by exogenic processes.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.