![](http://www.alamy.com/thumbs/6/1550C149-2243-43D9-AA3A-1C94790AB75A/D4X8NA.jpg)
Col. James P. McMahon and group at headquarters of 164th Inf.
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Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
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Keywords: .., archives, brady, civil, civilwar, historic, history, mathew, mathewbrady, nara:arcid=524678, national, usa, usnationalarchives, war