Statistics for occurrence #1 of “Potomac river” in chapter 1.1 of Southern Historical Society Papers, Volume 20.:

...Mr. Welles, Secretary of the United States Navy, wrote to Captain John Marston, United States Navy, commanding at Fortress Monroe: Send the St. Lawrence, Congress, and Cumberland immediately into the Potomac river . Use steam to tow them up. Let there be no delay. This order was modified by telegram of March 8th from Secretary Welles to Captain Marston, as follows: The Assistant-Secretary of the Navy will b...

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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Potomac River (United States) 286 0 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

† 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.