Railroad mortar at Petersburg, Virginia, July 25, 1864 (Andrew J. Russel)

Photograph shows the mortar used to protect the United States Military Railroad.
No. 304.

Published in: Russell's Civil War photographs : 116 historic prints / by Andrew J. Russell ; with a preface by Joe Buberger and Matthew Isenberg. New York : Dover Publications, c1982, no. 28.