Statistics for occurrence #1 of “Mississippi River” in chapter 22 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 10.:

...ved, February 17, 1864. (Signed,) Jefferson Davis. II. The Bureau of Conscription will direct the enrolment of all the persons described in the first section of the act aforesaid, east of the Mississippi River , who are not unfit for the service required from them by reason of physical or mental incapacity or imbecility, and shall assign them to the performance of the duties mentioned in the act, or similar...
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