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Encyclopedia Dubuque

www.encyclopediadubuque.org

"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN

Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.




DUNLEITH & DUBUQUE BRIDGE CO.: Revision history

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Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

31 August 2019

14 August 2018

25 February 2016

26 January 2016

14 January 2016

13 January 2016

4 February 2015

22 February 2013

23 June 2011

12 June 2011

27 May 2011

20 April 2011