Statistics for occurrence #1 of “Plymouth” in chapter 41 of Admiral David D. Porter, The Naval History of the Civil War.:

...eldon, on the Roanoke River, a ram and an ironclad floating battery. It is reported that these vessels will be completed in the course of five or six weeks. It is further reported that an attack on Plymouth is contemplated by land and water. Our force of wooden vessels in the sounds, necessarily of light draft and lightly armed, will by no means be adequate to contend against the rebel ram and batte...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Plymouth (United Kingdom) 180 0 14 0 0 user votes
Plymouth (Michigan, United States) 3 0 1 0 0 user votes
Plymouth 2 0 0 0 0 user votes
Plymouth (California, United States) 0 0 0 0 0 user votes
Plymouth (Delaware, United States) 0 0 0 0 0 user votes
Plymouth (Florida, United States) 0 0 0 0 0 user votes
Plymouth (Illinois, United States) 0 0 0 0 0 user votes
Plymouth (Iowa, United States) 0 0 0 0 0 user votes
Plymouth (Iowa, United States) 0 0 0 0 0 user votes
Plymouth (Kansas, United States) 0 0 0 0 0 user votes
Plymouth (Maine, United States) 0 0 0 0 0 user votes
Plymouth (Massachusetts, United States) 0 0 0 0 0 user votes
Plymouth (Minnesota, United States) 0 0 0 0 0 user votes
Plymouth (Mississippi, United States) 0 0 0 0 0 user votes
Plymouth (Missouri, United States) 0 0 0 0 0 user votes
Plymouth (Nebraska, United States) 0 0 0 0 0 user votes
Plymouth (Ohio, United States) 0 0 0 0 0 user votes
Plymouth (Pennsylvania, United States) 0 0 0 0 0 user votes
Plymouth (Trinidad and Tobago) 0 0 0 0 0 user votes
Plymouth (Utah, United States) 0 0 0 0 0 user votes
Plymouth (Virginia, United States) 0 0 0 0 0 user votes
Plymouth (Washington, United States) 0 0 0 0 0 user votes
Plymouth (West Virginia, United States) 0 0 0 0 0 user votes
Plymouth (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.