Heavy mortar on railcar at Petersburg, Virginia, July 25, 1864.

Destroyed bridge of the Richmond and Fredericksburg Railroad. North Anna River, Virginia. May 26, 1…

Railroad gun and crew at Petersburg, Virginia.

Passenger train at depot at Hanover Junction, Pa.

Ruins of the North Eastern Railroad depot at Charleston, S.C. 1864.

General J. C. Robinson and other locomotives of the U.S. Military Railroad at City Point, Virginia.

Railroad depot and yard, Trout House and Masonic Hall in background at Atlanta, Ga. 1864.

Orange and Alexandria Railroad wrecked by retreating Confederates at Manassas, Virginia. March 1862.

Locomotive at City Point, Virginia. 1865.

Railroad depot at Atlanta, Georgia. 1864.

 Railroad yard and depot with locomotives and the Capitol in distance, Nashville, Tenn. 1864.

African American men repairing single-track railroad after "Battle of Stone's River" at Murfreesboro…

Damaged locomotives at Richmond, Virginia. 1865.

Ruins of Richmond & Petersburg railroad bridge at Richmond, Virginia. April 1865.

Trestle bridge on south side of railroad Petersburg, Virginia, April 1865.

Federal soldiers dead on the first day of battle at Gettysburg, Pennsylvania, 1863.

13-inch mortar, "The Dictator" on rail car in Petersburg, Va. October 1864.

Large gun "The Dictator" on rail car at Petersburg, Va. Oct 1864.

Freight train on Orange and Alexandria Railroad during the 2nd Battle of Bull Run, Virginia, Culpepe…

Railroad tracks leading to United States Military Railroad station. Petersburg, Virginia.

Railroad tracks leading to United States Military Railroad station. Petersburg, Virginia. "Restored …

Decorated locomotive "J.H. Devereux" of the United States Military Railroad with two crew members on…

Railroad bridge across the Potomac River. Three men are seated at right, S. Seymour, chief engineer,…

New bridge over Potomac River on the Washington, Alexandria and Georgetown Railroad, total length 5,…