John Brown's fort, Harper's Ferry from Md. Hts.

Battery no. 4, near Yorktown, mounting ten 13 inch mortars, each weighing 20,000 pounds

Battery no. 4, near Yorktown, mounting ten 13 inch mortars, each weighing 20,000 pounds

Battery no. 4, near Yorktown, mounting ten 13 inch mortars, each weighing 20,000 pounds

View of Yorktown and fleet from Farnhold's house with Battery no. 1, in foreground

Confederate fortifications, Yorktown, Va.

The Siege of Yorktown, Va.

Naval battery, Yorktown, with Nelson church, now used as a hospital

Confederate fortifications, Yorktown, built on the site where Cornwallis delivered up his sword

Magruder battery at Yorktown

Exploded gun in Confederate battery, Yorktown

Water battery, Yorktown

Confederate fortifications, Yorktown

Confederate fortifications, Yorktown

View of ravine at Yorktown

Battery no. 4, near Yorktown, mounting ten 13 inch mortars, each weighing 20,000 pounds

Bomb-proof restaurant on the Petersburg line

Making Coffee

Fort Abbott, City Point line, the fort occupied by Abraham Lincoln during the fight, in front of Petersburg, that resulted in its capture

Camp of Union soldiers on the line in front of Petersburg, Va., August 10, 1864

A bombproof shelter for the soldiers during the seige of Petersburg, August 10, 1864

Cowan's Independent Battery, 1st N.Y., inside one of the rebel forts in front of Petersburg, 24th June, 1864. [Stereograph]

View of rebel works in front of Petersburg, captured by the 18th Corps, under Gen. Smith, 24th June, 1864. [Stereograph]

Interior of the Union Fort Stedman, Petersburgh, [sic], Va., showing bombproofs