Statistics for occurrence #1 of “James River” in chapter 54 of Admiral David D. Porter, The Naval History of the Civil War.:

...and at this time General Lee had not enough material of war to last him three months. General Grant confronted the Confedererates at Petersburg and Richmond with a greatly superior force, and the James River was blockaded by the Navy; yet Lee held his own with his diminished army, and General Grant had to wait until necessity should bring the enemy to terms. Despite Grant's great numerical superiorit...
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.