Statistics for occurrence #1 of “Commodore McKean” in chapter 10 of Admiral David D. Porter, The Naval History of the Civil War.:

...all the blockade runners that had early in the war commenced to swarm upon the coast like bees about the honey flowers. But they were disappointed in their expectations, for as early as June, 1861, Commodore McKean sent the Powhatan, Lieut. D. D. Porter, to close up the Southwest Pass of the Mississippi, and Commander Charles Poor, in the Brooklyn, to blockade Pass à l'outre. It was through...
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