|Title:||Report of Robert Faries, civil engineer, on the surveys to avoid the inclined planes on the Allegheny Portage Railroad.|
Report of Robert Faries, civil engineer, on the surveys to avoid the inclined planes on the Allegheny Portage Railroad.
[Harrisburg: , 1851]
|Publication Info:||Pittsburgh: University of Pittsburgh, Digital Research Library
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Allegheny Portage Railroad.