Statistics for occurrence #1 of “Mississippi River” in page 452 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:
...ter ship to the renowned Arkansas.
About one hundred Confederates were killed and wounded and one hundred and fifty captured. Chief of all results of the work of the flotilla was the opening of the Mississippi River once for all from Cairo to Memphis, and the complete possession of Western Tennessee by the Union forces.
...