Statistics for occurrence #1 of “Lieutenant-Commander Selfridge” in chapter 30 of Admiral David D. Porter, The Naval History of the Civil War.:

... to carry on naval operations in that quarter abandoned. At the same time that the expedition was sent up the Yazoo another was dispatched up the Red River, ascending the Black and Tensas Rivers. Lieutenant-Commander Selfridge penetrated to the head of navigation on the latter stream, at Tensas Lake and Bayou Macon, thirty miles above Vicksburg, and within five or six miles of the Mississippi River. Parties of the enem...
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