The instructions of March 6th to General A. J. Smith, who commanded this detachment, were full and explicit on this point. The Diana reached Vicksburg on the 6th, where I found that the expeditionary army had come in from Canton. One division of five thousand men was made up out of Hurlbut's command, and placed under Brigadier-General T. Kilby Smith; and a similar division was made out of McPherson's and Hurlbut's troops, and placed under Brigadier-General Joseph A.

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