Statistics for occurrence #1 of “Connecticut River” in chapter 8 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 5, 13th edition.:

...xtended to the borders of Lake Champlain. But New-York coveted the lands, and under its old charter to the Duke of York, had long disputed with NewHamp-shire the jurisdiction of the country west of Connecticut River . The British government had hitherto regarded the contest with indifference; but Colden now urged the Board of Trade to annex to New-York all of Massachusetts and of New-Hampshire west of the Conne...
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Entity Corpus Doc Corpus Doc  
Connecticut River (United States) 166 4 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.