Missinaibi (mĭsĭnāˈbē) [key], river, c.265 mi (430 km) long, rising in Missinaibi Lake, central Ont., Canada, and flowing N and NE to the Mattagami River, SW of Moosonee, to form the Moose River.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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