Statistics for occurrence #1 of “Grand Gulf” in chapter 5.69 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...avigable stream, and was high at the time, in order to intercept us they had to go by Port Gibson, the nearest point where there was a bridge to cross upon. This more than doubled the distance from Grand Gulf to the high land back of Bruinsburg. No time was to be lost in securing this foot-hold. Our transportation was not sufficient to move all the army across the river at one trip or even two. But ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Grand Gulf (Mississippi, United States) 858 100 40 0 0 user votes
Grand Gulf (Missouri, United States) 0 0 0 0 0 user votes

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