Statistics for occurrence #1 of “Mississippi River” in chapter 17, page 309 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...ika, Ala., Dec. 3d, in which he directs that I recommend for your favorable consideration that detached floating booms, armed with torpedoes, in addition to light batteries on shore, be placed in the Mississippi River , to prevent the enemy's gunboats from
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