Statistics for occurrence #1 of “St. Joseph's Island” in chapter 1 of General James Longstreet, From Manassas to Appomattox:

...ch across to the Rio Grande at Matamoras in the spring of 1846. The execution of the order precipitated war. The move from Corpus Christi to the Rio Grande made necessary a change of base from St. Joseph's Island to Point Isabel and Brazos Santiago, near the mouth of the Rio Grande. Supplies were sent by sea, under charge of Major Munroe, with a siege train and field battery, and the army took up its march ...
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Entity Corpus Doc Corpus Doc  
St. Joseph's Island (Texas, United States) 26 2 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.