Editing Whirlpool Rapids Bridge (section)

==References==
* {{cite book |last=Crabtree |first=Jerome |title=The Marvels of Modern Mechanism and Their Relations to Social Betterment |year=1901 |url=https://books.google.com/books?id=SyRDAAAAIAAJ |access-date=September 4, 2008 |volume=1 |publisher=The King-Richardson Company |location=Massachusetts, United States |chapter=Iron and Steel Working}}
* {{cite journal|last=Griggs |first=Francis |date=November 2006b |title=Great Achievements&mdash;John A. Roebling |journal=Structure |publisher=National Council of Structural Engineers Associations |location=Illinois, United States |issn=0969-2126 |url=http://www.structuremag.org/article.aspx?articleID=180 |format=PDF |access-date=July 14, 2008 |url-status=dead |archive-url=https://web.archive.org/web/20090425175306/http://www.structuremag.org/article.aspx?articleID=180 |archive-date=April 25, 2009 }}
* {{cite book |last=Irwin |first=William |title=The New Niagara: Tourism, Technology, and the Landscape of Niagara Falls, 1776&ndash;1917 |date=March 1996 |url=https://books.google.com/books?id=yarkTJGfL2IC |publisher=[[Penn State University Press]] |location=Pennsylvania, United States |isbn=0-271-01593-4}}

=== Sources ===
* {{cite book |last1=Lewis |first1=Paul |title=Niagara's Gorge Bridges |date=2008 |publisher=Looking Back Press |isbn=978-1-55068-925-9}}