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List of pre-Columbian engineering projects in the Americas: Revision history


For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

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15 March 2023

10 April 2022

18 January 2022

8 September 2021

6 September 2021

29 July 2021

14 April 2019

10 March 2019

24 October 2018

15 May 2018

4 April 2017

15 January 2017

2 June 2016

13 September 2015

14 August 2015

7 January 2015

19 November 2014

12 June 2013

21 February 2013

27 January 2013

22 January 2013

13 January 2013

2 January 2013

22 November 2012

30 October 2012

20 September 2012

6 September 2012

22 October 2011

20 December 2010

8 February 2010

7 February 2010

23 August 2009

3 November 2008

16 March 2008

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