Statistics for occurrence #1 of “Mississippi River” in part 13.51, chapter 13.52 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...of Texan volunteers. In the Confederate navy she became the St. Philip. She was stationed at New Orleans as a receiving-ship when Farragut passed the forts, and fled with other vessels up the Mississippi River , taking refuge finally in the Yazoo. In March, 1863, when the ships of the Yazoo Pass expedition descended the windings of the Tallahatchie to attack Fort Pemberton, they found the river barricaded...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† 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.