The Antietam Campaign was in full swing and Confederate and Union troops were moving through Frederick, Maryland. Amateur photographer Joseph Rosenstock (some sources say it was actually his wife) took one of the greatest candid shot of the war and the only one of Confederate troops in formation on the march.

Here is an interesting blog dissecting the photo:
http://reynsoft.com/pixblog2/md-history/historic-picture-2/

Here is an interesting blog dissecting the photo:
http://reynsoft.com/pixblog2/md-history/historic-picture-2/






