Groundwater sapping: Revision history


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16 November 2023

18 August 2023

16 May 2023

19 September 2021

8 July 2021

31 December 2020

12 December 2020

23 November 2020

14 April 2020

2 July 2019

23 June 2018

16 May 2018

19 June 2017

17 June 2017

20 May 2017

18 March 2017

9 August 2016

17 December 2015

16 December 2015

26 September 2012

7 August 2012

7 May 2011

14 February 2011

30 September 2010

21 February 2010

15 April 2009

31 July 2008

22 June 2008

18 December 2007

19 November 2007

11 October 2007

31 July 2006

3 July 2006

1 July 2006

24 March 2006