Statistics for occurrence #1 of “G. S. Forces” in chapter 40 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 7.:

... I am, very respectfully, your obedient servant, Frank Gardner, Commanding C. S. Forces. headquarters United States forces, before Port Hudson July 8. To Major-General Frank Gardner, Commanding G. S. Forces , Port Hudson: General: I have the honor to acknowledge the receipt of your communication of this date, stating that you are willing to surrender the garrison under your command to the forces unde...
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