Rebel fortifications, north side of the city, Atlanta, Ga.

Bomb-proof restaurant on the Petersburg line

Bomb-proofs in the Union Fort Sedgwick, called by the rebel soldiers "Fort Hell"

Bomb proof quarters at Ft. Burnham. The sides and top are 7 feet thick, contains two rooms, sleeping and cooking

Interior of Fort Sedgwick

The Union line before Petersburg

Interior of the Union Fort Sedgwick, called by the rebel soldiers "Fort Hell," showing Union soldiers on the breastworks

Fortifications and bomb-proofs, in front of Petersburgh (i.e. Petersburg), Va

Interior of the rebel works in front of Petersburgh (i.e. Petersburg), Va. View taken April 3, 1865

View from the parapet of the rebel works in front of Petersburgh (i.e. Petersburg), Va., showing gabions, bombproofs, "chevaux de frise" and rifle pits in the distance

Interior of the rebel works in front of Petersburgh (i.e. Petersburg), Va. View taken April 3, 1865

Interior of the rebel works in front of Petersburgh (i.e. Petersburg), Va. View taken April 3, 1865

Interior of the Rebel Fort Mahone, called by the soldiers "Fort Damnation", showing gabions, "chevaux de frise", &c

Rebel breastworks in front of Petersburgh (i.e. Petersburg). The small mounds with chimneys are the soldiers' quarters, under ground

Breastworks and "Cheavaux de Frise" in the Rebel Fort Mahone, called by the soldiers "Fort Damnation"--Lieut. J.B. Krepps, 2d Penn. Veteran Artillery and comrades viewing the works

Ditch and "Cheavaux de Frise" in front of the Union Fort Sedgwick, called by the rebel soldiers "Fort Hell"

Ditch and "Cheavaux de frise" in front of the Union Fort Sedgwick, called by the Rebel soldiers "Fort Hell"

Interior of the Union Fort Sedgwick, called by the rebel soldiers "Fort Hell," showing Union soldiers on the breastworks

Chevaux-de-Frise in front of the Rebel Works at Petersburgh (i.e. Petersburg), Va.

Dismantling of the rebel forts after the storming of Petersburgh (i.e. Petersburg), Va.

View from the Union Fort Sedgwick, called by the rebel soldiers "Fort Hell"

Union picket line in front of the rebel Fort Mahone, called by the soldiers "Fort Damnation," Richmond, Va.

Union picket line in front of the rebel Fort Mahone, called by the soldiers "Fort Damnation", Richmond, Va.

Union picket line in front of the rebel Fort Mahone, called by the soldiers "Fort Damnation", Richmond, Va.

Union picket line in front of the rebel Fort Mahone, called by the soldiers "Fort Damnation", Richmond, Va.

Soldiers' quarters in the Union Fort Rice adjoining Fort Sedgwick (fort Hell".)

Chevaux de frise, and breast works in the Union fort Sedgwick, called by the Rebels "Fort Hell," showing two wounded soldiers

The ditch on the west side of the Union Fort Sedgwick, called by the Rebel soldiers "Fort Hell"

A large gun in the Rebel Works at Petersburgh (i.e. Petersburg), Va.

Interior of Fort Sumpter (i.e. Sumter), Charleston Harbor, S.C., April 14th, 1865. Awaiting the arrival of Gen. Anderson and the invited guests to inaugurate the ceremony of raising the old flag