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

...ing-Rear-Admiral Lee judged it expedient to apply for an increase of the force of iron-clads, and that he might be authorized to detain the Tecumseh. This is the history of the obstruction of the James River , the credit of which was given to General Butler. who simply approved the proposition when it was mentioned to him, and received General Grant's order to sink the vessels. General Grant's arriv...
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.