Construction train, west of Hays City, Kansas.

Construction train of the U.P.R.R.

Westward the Monarch Capital makes its way.

The first train to cross ... bridge June 5th 1897, Wrightsville 11:32 AM.

Building Mt. Washington R.R.

Track repairer,Mt. Washington R.R.

Track repairer, coming down Jacob's Ladder, Mt. Washington Rail Road.

View of a railroad construction site, Davenport, Iowa.

Railroad workers at a railroad construction area.

Snow sheds, Union Pacific R.R. - Exterior.

Long Ravine Bridge, C.P.R.R. California.

Interior of snow shed, Summit Station, Sierra Nevada Mountains, C.P.R.R.

Central Pacific. Cisco, Calif.

Central Pacific, Colfax, California.

Section of the snow sheds around Donner Peak.

Summit, C.P.R.R., Sierras.

Colfax.