Pennsylvania Railroad - Portage Railroad

Map showing the Old Portage Railroad (1834), New Portage Railroad (1856), Pennsylvania Railroad (1854) between Altoona and Johnstown and the modern revisions.
from a 1948 PRR Board of Directors Inspection of Physical Property.

100 dpi jpg (287K)

300 dpi djvu clean image (89K)
(requires djvu plug-in)