D. No. 7. Siege of Petersburg, VA., from July 9th to July 31st, 1864. Siege Battery and Mortar Battery Constructed Under the Direction of Major J.C. Duane. October 20, 1864. (OR Atlas 107:1)
Atlas to Accompany the Official Records, Plate 107, Map 1: D. No. 7. Siege of Petersburg, VA., from July 9th to July 31st, 1864. Siege Battery and Mortar Battery Constructed Under the Direction of Major J.C. Duane. October 20, 1864. ↩