Statistics for occurrence #1 of “Baltimore” in chapter 9, page 324 of William Swinton, Campaigns of the Army of the Potomac:
...n motion on the morning of the 29th, taking a course due northward, and keeping east of the South Mountain range.
The army moved in three columns, covering, as it advanced, the lines of approach to Baltimore and Washington.
The First and Eleventh corps were directed on Emmettsburg; the Third and Twelfth on Taneytown;
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