Statistics for occurrence #1 of “forts Jackson” in chapter 18 of Admiral David D. Porter, The Naval History of the Civil War.:

...t="ptext" xmlns="http://www.w3.org/TR/xhtml1/strict"> Naval expedition fitted out. Farragut commands expedition. Farragut's and Porter's fleets. their appearance in the Mississippi. forts Jackson and St. Philip. confidence of Confederates in the defense of New Orleans. obstructions. Confederate fleet. Porter's mortar fleet. bombardment of forts Jackson and St. Philip. terrible work of m...
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