Washington, D.C., or vicinity circa 1915-1930. One of three H&E glass negatives labeled "Car exterior. Washington & Old Dominion R.R." Harris & Ewing Collection glass negative. View full size. The others are here and here.

March 1943. "The giant Santa Fe R.R. 10 million bushel grain elevator, Kansas." 4x5 Kodachrome transparency by Jack Delano for the OWI. View full size.

1917. "American Red Cross sanitary railroad car." The "sanitary trains" of World War I played a major role in the delivery of relief supplies and medical care to Allied prisoners in Europe, as well as their repatriation after the Armistice. Harris & Ewing Collection glass negative, Library of Congress. View full size.

Circa 1925. "Potomac Yards, Alexandria." The railyard just outside Washington in Alexandria, Virginia. National Photo Company glass negative. View full size.

Chicago, April 1943. "Mike Evans, a welder, at the rip tracks of the Proviso Yard, Chicago & North Western R.R." 4x5 Kodachrome transparency by Jack Delano for the Office of War Information. View full size.

Another view from 1925 of the W.H. Hessick & Son coal yard in Northeast Washington, D.C. By December 1925, the company had moved to 14th and Water Streets S.W. National Photo Company Collection glass negative. View full size.

Washington, D.C., 1925. "Hessick & Son Coal Co." The company's catchy slogan: "Anthracite and Bituminous Coal in All Sizes (Furnace, Stove, Egg, Chestnut, Pea) for Immediate Delivery." National Photo Co. glass negative. View full size.

Washington, D.C., circa 1926. "Wilkins-Rogers Milling Co., exterior, 3261 Water Street." The Washington Flour mill on K Street, formerly Water Street, in Georgetown. The Washington Flour brand had a retail presence at least into the late 1960s. National Photo Company Collection glass negative. View full size.

Circa 1902. "Union Station, Pittsburgh." Detroit Publishing Co. View full size.

April 1943. Clinton, Iowa. "Mrs. Marcella Hart, mother of three, employed as a wiper at the roundhouse. Chicago & North Western R.R." 4x5 Kodachrome transparency by Jack Delano for the Office of War Information. View full size.

Union Station in Washington, D.C., circa 1925, with a baseball game next door. National Photo Company Collection glass negative. View full size.

June 1924. "Largest electric locomotive and Congressman John C. Schafer." It's that train-lovin' lawmaker from Wisconsin again, this time with a new ride. National Photo Company Collection glass negative. View full size.

Washington, D.C., June 1924. "Congressman John C. Schafer of Wisconsin." Who seems to have been something of a railfan. National Photo Co. View full size.

1917. "Baltimore and Ohio Railway. Safety first train." The train, according to newspaper accounts, carried exhibits "informing the public of the careful and effective means that are being taken by the government in the interest of good health, safety and preparedness." Shown here at Union Station in Washington. Harris & Ewing Collection glass negative. View full size.

Under the Hudson River circa 1908. "Interior of car, N.Y.-N.J. Tunnel." Today this would be the PATH train. 8x10 glass negative, G.G. Bain. View full size.