Statistics for occurrence #1 of “Fort Jackson” in entry jackson-and-st-philip-forts of Harper's Encyclopedia of United States History:

... St. Philip. When he was prepared to assail it, the garrison was surrendered without resistance (April 28), for they had heard of the destruction of the Confederate flotilla. The commander of Fort Jackson , fearing that all was lost, accepted generous terms of surrender from Commodore Porter. The prisoners taken in the forts and at the quarantine numbered about 1,000. The entire loss of the Nationa...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Fort Jackson (Louisiana, United States) 1,416 38 24 0 0 user votes
Fort Jackson (New York, United States) 0 0 0 0 0 user votes

† 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.