Tunguska
geographical name
Tun·gu·ska
tu̇ŋ-ˈgü-skə
tən-
any of three rivers in central Russia in Asia, tributaries of the Yenisey River:
Lower Tunguska
,
Stony Tunguska
,
and Upper Tunguska (the lower course of the Angara River)
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Merriam-Webster unabridged
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