Statistics for occurrence #1 of “James River” in chapter 41 of Admiral David D. Porter, The Naval History of the Civil War.:

...and the Commodore Morris, Acting-Master R. G. Lee. At this time operations were going on at Dutch Gap for the purpose of opening a new route from below Howlett's Battery to the upper reach of the James River . This scheme was not favorably regarded by army engineers, and was not a success. The enemy planted mortars not far away, which in the course of the work killed one hundred and forty laborers, an...
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.