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Climbing the Mountain: The Allegheny Portage Railroad
Climbing the Mountain: The Allegheny Portage Railroad
Climbing the Mountain: The Allegheny Portage Railroad
Hansen, Brett (Autor:in)
Civil Engineering Magazine Archive ; 78 ; 36-37
01.01.2016
22008-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
Portage mountain conveyor system
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