Statistics for occurrence #1 of “Lookout valley” in chapter 16, page 229 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 8.:
...rces, (except Geary's,) which now included General Osterhaus's division, recross to the Chattanooga side, in order to make a grand attack upon Lookout Mountain, in conjunction with the troops left in Lookout valley .
In pursuance of this plan, Howard's corps and Osterhaus's division crossed the river upon the pontoon-bridge, on Sunday evening, in full view of the rebels, who could be seen diligently signalling...
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