Title: In the trenches at Petersburg
Subtitle: field fortifications and Confederate defeat
Subjects: Defenses, Field Fortification, Fortification, History, Trench warfare, United States Civil War, 1861-1865, Virginia Civil War, 1861-1865, Virginia, history, civil war, 1861-1865, United states, history, civil war, 1861-1865, United states, defenses, Confederate states of america, history, military
Places: Confederate States of America, Petersburg, Petersburg (Va.), United States, Virginia
Time periods: 19th century, Civil War, 1861-1865, Siege, 1864-1865