Statistics for occurrence #1 of “Yazoo City” in chapter 45 of Admiral David D. Porter, The Naval History of the Civil War.:
...el Schofield was about to start up the Yazoo River by order of General McArthur, when, by request of the former, on April 21st, the gun-boats Petrel and Prairie Bird preceded the army-transport up to Yazoo City .
No enemy being in sight, the Petrel went on up, leaving the Prairie Bird and transport Freestone at the Navy Yard.
When abreast of the city, the little gun-boat opened fire on some Confederate t...
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