Statistics for occurrence #1 of “Matamoras” in chapter 1 of General James Longstreet, From Manassas to Appomattox:

...our batteries; they made their formal protest, however, that the crossing would be regarded as a declaration of war. On the 24th of March the column reached the road leading from Point Isabel to Matamoras . General Taylor ordered Worth to march the greater part of the army towards Matamoras and halt at the first good camping-ground, and rode towards Point Isabel to meet the detachment ordered there ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Matamoras (Pennsylvania, United States) 327 16 1 0 0 user votes
Matamoras (Indiana, United States) 379 0 1 0 0 user votes
Matamoras (Ohio, United States) 178 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.