Petersburg 1865

[noman]

http://www.loc.gov/search/?q=chevaux de frise
http://www.civilwar.org/battlefields/petersburg/petersburg-history-articles/two-days-in-april-2.html
http://memory.loc.gov/ndlpcoop/nhnycw/ad/ad41/ad41033v.jpg

Ft Mahone
http://www.loc.gov/pictures/resource/stereo.1s02645/
http://www.loc.gov/pictures/resource/cwpb.02610/
http://www.loc.gov/pictures/resource/ppmsca.32447/
http://www.loc.gov/pictures/resource/stereo.1s02647/

http://www.loc.gov/pictures/item/2011649171/resource/
http://www.loc.gov/pictures/item/2011649174/resource/