Statistics for occurrence #1 of “Federal Hill” in page 449 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...lphia, and the troops were temporarily withdrawn. Afterward the Fifth New York Regiment (Zouave), Colonel Abraham Duryee, occupied Federal Hill, and thereon built the strong earthwork known as Fort Federal Hill , whose cannon commanded both the town and Fort McHenry. The 14th of May was a memorable one in the annals of Maryland, as the time when the tide of secession, which for weeks had been threatening...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Federal Hill (Maryland, United States) 83 28 1 0 0 user votes
Federal Hill (Connecticut, United States) 0 0 0 0 0 user votes
Federal Hill (Maryland, United States) 0 0 0 0 0 user votes
Federal Hill (Massachusetts, United States) 0 0 0 0 0 user votes
Federal Hill (Massachusetts, United States) 0 0 0 0 0 user votes
Federal Hill (Missouri, United States) 0 0 0 0 0 user votes
Federal Hill (New Hampshire, United States) 0 0 0 0 0 user votes
Federal Hill (New Jersey, United States) 0 0 0 0 0 user votes
Federal Hill (New York, United States) 0 0 0 0 0 user votes
Federal Hill (New York, 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.