Statistics for occurrence #1 of “Patapsco River” in chapter 7 of Benjamnin F. Butler, Butler's Book: Autobiography and Personal Reminiscences of Major-General Benjamin Butler:

...ember, on the 3d of May, and at his request. He said he was desirous of holding the junction of the Washington branch of the Baltimore & Ohio Railroad with the main branch which led west up the Patapsco River to Harper's Ferry. This junction was at the Relay House, about eight miles from Baltimore and within my department. He stated that the rebels were gathering in considerable force at Harper's Ferr...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Patapsco river (Maryland, United States) 23 4 1 0 0 user votes
Patapsco River (Maryland, 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.