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Tunguska Basin definition

Tun·guska Basin (to̵on go̵̅o̅s′kä)

large coal basin in central Siberia, between the Yenisei & Lena rivers: it is drained by three rivers, the Lower Tunguska, Stony Tunguska, & Upper Tunguska (usually called the Angara River), which flow west into the Yenisei

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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