Allegheny Portage Railroad (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Allegheny Portage Railroad" in English language version.

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archive.today

"PHMC Historical Markers". Historical Marker Database. Pennsylvania Historical & Museum Commission. Archived from the original on December 7, 2013. Retrieved December 10, 2013.

ascelibrary.org

Hansen, Brett (January 2008). "Climbing the Mountain: The Allegheny Portage Railroad". Civil Engineering. Vol. 78, no. 1. American Society of Civil Engineers. pp. 36–37. doi:10.1061/ciegag.0000806. Retrieved February 6, 2022.

atlantic-cable.com

Modern History of Wire Rope by Donald Sayenga

doi.org

Hansen, Brett (January 2008). "Climbing the Mountain: The Allegheny Portage Railroad". Civil Engineering. Vol. 78, no. 1. American Society of Civil Engineers. pp. 36–37. doi:10.1061/ciegag.0000806. Retrieved February 6, 2022.

exploringoffthebeatenpath.com

Allegheny Portage Railroad, Gallitzin, PA: Life on the Portage

govinfo.gov

107th Congress (September 4, 2002), H. R. 4682 [Report No. 107–634]: To revise the boundary of the Allegheny Portage Railroad National Historic Site, and for other purposes (the "Allegheny Portage Railroad National Historic Site Boundary Revision Act") (PDF), U.S. Government Publishing Office, retrieved October 21, 2009{{citation}}: CS1 maint: numeric names: authors list (link)

hmdb.org

"Allegheny Portage Railroad Historical Marker". The Historical Marker Database. Retrieved February 6, 2022.

nps.gov

nps.gov

Ten inclined planes on the Allegheny Portage Railroad, National Park Service
"Basic Information". Allegheny Portage Railroad National Historic Site, Pennsylvania. National Park Service. December 10, 2016. Retrieved November 7, 2017.
"Things to Do". Allegheny Portage Railroad National Historic Site, Pennsylvania. National Park Service. October 31, 2017. Retrieved November 7, 2017.
Allegheny Portage Railroad: Skew Arch Bridge (PDF), National Park Service, August 2010, retrieved November 7, 2017
"Staple Bend Tunnel". Allegheny Portage Railroad National Historic Site, Pennsylvania. National Park Service. December 10, 2016. Retrieved November 7, 2017.

npgallery.nps.gov

"National Register Information System". National Register of Historic Places. National Park Service. March 15, 2006.

irma.nps.gov

"NPS Annual Recreation Visits Report". National Park Service.

tps.cr.nps.gov

"Allegheny Portage Railroad of the Pennsylvania Canal". National Historic Landmark summary listing. National Park Service. Archived from the original on October 7, 2012. Retrieved July 1, 2008.

pahistoricalmarkers.com

search.pahistoricalmarkers.com

"PHMC Historical Markers". Historical Marker Database. Pennsylvania Historical & Museum Commission. Archived from the original on December 7, 2013. Retrieved December 10, 2013.

post-gazette.com

newsinteractive.post-gazette.com

Lindeman, Teresa F. Allegheny Portage Railroad National Historic Site: An engineering marvel, Pittsburgh Post-Gazette, April 19, 2016.

rays-place.com

history.rays-place.com

Boucher, John N. History of Westmoreland County, Pennsylvania. New York: The Lewis Publishing Company, 1906.

web.archive.org

"Allegheny Portage Railroad of the Pennsylvania Canal". National Historic Landmark summary listing. National Park Service. Archived from the original on October 7, 2012. Retrieved July 1, 2008.