Masked battery and obstructions in the James River. Fort Darling.

Interior of the Rebel Fort Darling, James River, near Richmond, Va.

Church built by the engineers at Poplar Grove, near Petersburgh, Va.

The Army of the Potomac. The stand in front of the President's house occupied by the President and Cabinet, Grant and Sherman, and reviewing officers.

The Army of the Potomac. The stand in front of the President's house occupied by the President and Cabinet, Grant and Sherman, and reviewing officers.

The Army of the Potomac. The stand in front of the President's house occupied by the President and Cabinet, Grant and Sherman, and reviewing officers.

Sherman's Grand Army. Looking up Pennsylvania Avenue from the Treasury buildings, during the passage of the 20th Army Corps.

Sherman's Grand Army. Looking up Pennsylvania Avenue from the Treasury buildings, during the passage of the 20th Army Corps.

Sherman's Grand Army. Looking up Pennsylvania Ave. from the Treasury buildings, Maj. Gen Logan and staff and Army of Tennessee passing in review.

The Army of the Potomac. Looking up Pennsylvania Avenue from the Treasury buildings, Maj. Gen. Wright and 6th Army Corps passing in review.

The Army of the Potomac. Looking up Pennsylvania Avenue from the Treasury buildings, Maj. Gen. Humphrey and staff, and 2d Army Corps passing in review.

The Army of the Potomac. The stand in front of the President's house occupied by the President and Cabinet, Grant and Sherman, and reviewing officers.

Mansion occupied by Jeff. Davis, during the rebellion, cor. Clay & 12th St., Richmond, Va.

Captured rifled steel breach-loading Whitworth gun, Richmond, Va.

View of the Tredegar Iron Works, from the Petersburgh railroad bridge, Richmond, Va.

Ruins of a locomotive in the Petersburgh railroad depot, Richmond, Va.

Panoramic view of Richmond, Va., from Gamble Hill, looking east....

Ruins of the Gallego Flour Mills, in the burnt district, Richmond, Va....

View in Bollingbrook St. Petersburgh, Va., looking west, showing the effects of shot and shell.

Interior view of the Rebel works in front of Petersburgh, Va....

Interior of Rebel works in front of Petersburgh, Va. View taken April 3d, 1865.

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

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