![[Outer Line of Confederate Fortifications, in Front of Petersburg, Virginia, Captured by 18th Army Corps]](https://images.metmuseum.org/CRDImages/ph/web-large/DP70461.jpg)
[Outer Line of Confederate Fortifications, in Front of Petersburg, Virginia, Captured by 18th Army Corps]
Timothy H. O'Sullivan · June 15, 1864
Albumen silver print from glass negative
Timothy H. O'Sullivan · June 15, 1864
Albumen silver print from glass negative