Statistics for occurrence #1 of “Cumberland rivers” in part 8.19, chapter 8.21 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...nstructed concerning the actual and intended movements on the Mississippi and the more immediate movements upon the Kentucky shore, together with the intention to hold the mouths of the Tennessee and Cumberland rivers . In his written instructions General Grant was directed to act in concert with Commander Rodgers and Colonel Waagner, and to take possession of points threatened by the Confederates on the Missouri...
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