Rock River(redirected from Rock River (Vermont))
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A river rising in southeast Wisconsin and flowing about 450 km (280 mi) generally south and southwest to the Mississippi River in northwest Illinois.
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.