Statistics for occurrence #1 of “Rear-Admiral Porter” in chapter 39 of Admiral David D. Porter, The Naval History of the Civil War.:

...e mouth of the Mississippi to that of the Rio Grande, was so closely guarded by the Union Navy that blockade-running was reduced to very insignificant proportions. The Mississippi squadron, under Rear-Admiral Porter , had been actively engaged in the work of suppressing the Rebellion, and co-operated zealously with the Army whenever its services were needed. The capture of Arkansas Post, on the Arkansas River, ...
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