Allegheny Portage Railroad National Historic Site, Pennsylvania.
Publisher: Denver Service Center, Historic Preservation Team, National Park Service
Published: 1973
Place of publication: Denver
Language: eng
Number of pages: 252
Subjects: Railroads -- Design and construction -- History.; Pennsylvania Canal (Pa.); Allegheny Portage Railroad National Historic Site (Pa.)
Notes: Bibliography: p. 187-198.
At head of title: Historic resource study.