Statistics for occurrence #1 of “Mississippi river” in chapter 6 of Adam Badeau, Military history of Ulysses S. Grant from April 1861 to April 1865. Volume 1:

...ol of both banks of the Mississippi. Forts Henry and Donel son were at the same time transferred to the Department of the Cumberland, leaving Grant the exclusive task of opening and controlling the Mississippi river . On the 29th of January, General Grant arrived in person at Young's point, and, on the 30th, assumed immediate command of the expedition against Vicksburg. McClernand at once protested formally...
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