Statistics for occurrence #1 of “East River” in chapter 45 of Admiral David D. Porter, The Naval History of the Civil War.:

...ock with a deep column of water over it, we are of the opinion that the depth of water below a torpedo would not interfere with its success. Lieutenant Bolton, who saw and blasted a great deal in East River , near New York, says: One hundred pounds of powder, fifteen feet from the bottom of a vessel, would break her sides or bottom. We would add that a proposed adaptation of these locks to the explo...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
East River (New York, United States) 124 4 8 0 0 user votes
East River (Georgia, United States) 2 0 0 0 0 user votes
East River (United States) 2 0 0 0 0 user votes
East River (Connecticut, United States) 0 0 0 0 0 user votes
East River (Connecticut, United States) 0 0 0 0 0 user votes
East River (Florida, United States) 0 0 0 0 0 user votes
East River (Florida, United States) 0 0 0 0 0 user votes
East River (Florida, United States) 0 0 0 0 0 user votes
East River (Florida, United States) 0 0 0 0 0 user votes
East River (Idaho, United States) 0 0 0 0 0 user votes
East River (Iowa, United States) 0 0 0 0 0 user votes
East River (Minnesota, United States) 0 0 0 0 0 user votes
East River (Minnesota, United States) 0 0 0 0 0 user votes
East River (Texas, United States) 0 0 0 0 0 user votes
East River (Virginia, United States) 0 0 0 0 0 user votes
East River (Wisconsin, United States) 0 0 0 0 0 user votes
East River (Wisconsin, 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.