Statistics for occurrence #1 of “Mississippi River” in entry jackson-and-st-philip-forts of Harper's Encyclopedia of United States History:
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Two fortifications on the Mississippi River , 57 miles southeast of New Orleans, which command the lower approach to that city.
Both were strongly fortified by the Confederates in the early part of the Civil War, and were passed by the fleet ...
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† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.