Morgan, David P. "World’s Busiest Mountain Railroad.." Trains (April 1957).
Account of Pennsylvania Railroad operations over the Allegheny ridge.
Citation Type: Journal Article
Referenced in:
The Railroad in Pennsylvania
Morgan, David P. "World’s Busiest Mountain Railroad.." Trains (April 1957).
Account of Pennsylvania Railroad operations over the Allegheny ridge.
Citation Type: Journal Article
Referenced in:
The Railroad in Pennsylvania