Economic History of the United States
Field Trip

At the Kittanning-Frankstown Path

The Path

Old Kittanning Path Marker

New Kittanning Path Marker

A View of the Spring

The Portage Railroad

Amphibian

Thomas?

Portage Railroad Incline

Skew Arch Bridge

Skew Arch Marker

At the Skew Arch Bridge

Forbidden

Forbidden Trail

Sight-Seeing

Gallitzin Tunnels

Tunnel Marker

Horseshoe Curve

Freights

All Aboard!