Statistics for occurrence #1 of “Carroll, O.” in entry canals of Harper's Encyclopedia of United States History:

...0,8001825381Albany, N. Y., to Buffalo, N. Y. Fairfield 4 1-2Alligator River to Lake Mattimuskeet, N. C. Galveston and Brazos340,000185138Galveston, Tex., to Brazos River, Tex. Hocking 975,481184342 Carroll, O. , to Nelsonville, O. Illinois and Michigan7,357,7871848102Chicago, 111., to La Salle, Ill. Illinois and Mississippi568,64318954 1-2Around lower rapids of Rock River, Ill. Connects with Mississippi R...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Carroll, O. (Ohio, United States) 1 1 1 1 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.