Statistics for occurrence #1 of “James River” in chapter 4.16 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 4.:

...with General Butler. This raid had the effect of drawing off the whole of the enemy's cavalry force, making it comparatively easy to guard our trains. General Butler moved his main force up the James River , in pursuance of instructions, on the 4th of May, General Gillmore having joined him with the Tenth Corps. At the same time he sent a force of 1800 cavalry, by way of West Point, to form a junction...
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.