Statistics for occurrence #1 of “James River” in chapter 40 of Admiral David D. Porter, The Naval History of the Civil War.:

...he Navy as near Richmond as it was possible to get. This was the Army of the James, under Major-General Butler, numbering 20,000 men. General Grant directed Butler to operate on the south side of the James River in conjunction with the Army of the Potomac, the objective point of both being Richmond. To Butler's force was to be added ten thousand men from South Carolina under Major-General Q. A Gillmore, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
James River (United States) 4 0 0 0 0 user votes
James River (Australia) 0 0 0 0 0 user votes
James River (Texas, United States) 0 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.