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A river of eastern Russia flowing about 2,450 km (1,520 mi) eastward to the Lena River.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Average capacity of frozen layer of about 300-400 m and in Vilyuy River basin it equals 1500 m.
Using helicopter and biplane, we traveled to the mining center of Mirnyy, on one of the Lena's major tributaries, the Vilyuy River, and to a reindeer camp deep in the Verkhoyanskiy mountain chain that bounds the Lena to the east.