Staple Bend Tunnel, Allegheny Portage Railroad National Historic Site, 2016.
Summary
Exact photo date unknown but was taken sometime in the late 1800s. Staple Bend Tunnel was the first railroad tunnel in the United States! The foundation of the engine house for Plane No 1 can be seen at the bottom of the photo.
Tags
Date
1830 - 1880
Source
National Parks Gallery
Copyright info
Public Domain Dedication