Statistics for occurrence #1 of “James River” in chapter 57 of Admiral David D. Porter, The Naval History of the Civil War.:

...fficient condition as regarded their personnel, which was mostly drawn from the army. The real difficulty in getting to Richmond with the Federal gun-boats was in the heavy fortifications along the James River above Howlett's Battery, the sunken torpedoes, and the obstructions in the channel, which could not be removed under fire. While theFederal and Confederate forces on the river were in this positi...
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.