Welch, Sylvester. Sylvester Welch's Report on the Allegheny Portage Railroad, 1833. York, PA: American Canal Center, 1975.
Citation Type: Book
Referenced in:
Allegheny Portage Railroad
Welch, Sylvester. Sylvester Welch's Report on the Allegheny Portage Railroad, 1833. York, PA: American Canal Center, 1975.
Citation Type: Book
Referenced in:
Allegheny Portage Railroad