Orb Aqueduct (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orb Aqueduct" in English language version.

refsWebsite

Global rank English rank

1canal-du-midi.org

low place

low place

1books.google.com

3^rd place

3^rd place

books.google.com

McNeil, Ian (1990). An Encyclopaedia of the History of Technology. Taylor & Francis. p. 484. ISBN 978-0-415-01306-2.

canal-du-midi.org

"The Orb Aqueduct Bridge". canal-du-midi.org. Retrieved 2009-02-03.