Statistics for occurrence #1 of “Grand Gulf” in chapter 28 of Admiral David D. Porter, The Naval History of the Civil War.:
...s' Landing seemed to have such a fascination for McClernand that he remained there until Grant ordered him to move on.
Admiral Porter proceeded in the wooden gun-boat General Price to reconnoitre Grand Gulf ,and ascertained that large numbers of troops were engaged in constructing extensive fortifications.
Some guns were already mounted and others lying on the ground.
The Price had but two guns and...
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