Statistics for occurrence #1 of “Potomac River” in chapter 17 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...of forty years, until the work was accomplished. Ships were chartered, supplies were furnished, and troops were forwarded to Washington with extraordinary dispatch, by way of Chesapeake Bay and the Potomac River . The transports were convoyed by armed steamers to shield them from pirates; and one of them — the Quaker City--was ordered to Hampton Roads, to prevent the insurgents transporting heavy guns...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Potomac River (United States) 286 6 0 0 0 user votes
Potomac River (Maryland, United States) 2 0 0 0 0 user votes
Potomac River (Maryland, United States) 2 0 0 0 0 user votes

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