Statistics for occurrence #1 of “Rio” in chapter 6, page 40b of George Bancroft, History of the Colonization of the United States, Vol. 1, 17th edition.:

... Rio
the party whom famine, autumnal fevers, fatigue and the arrows of the savage bowmen had spared, embarked for the river Palmas. F...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Rio 376 6 0 0 0 user votes
M. A. F. Rio 6 0 0 0 0 user votes
Bonito Rio 2 0 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.