Changes

References, videos, and links
* [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CCUQFjAA&url=http%3A%2F%2Fcitg.tudelft.nl%2Ffileadmin%2FFaculteit%2FCiTG%2FOver_de_faculteit%2FAfdelingen%2FAfdeling_watermanagement%2FSecties%2Fwaterhuishouding%2FLeerstoelen%2FWaterbeheer%2Fonderzoek%2FProjects%2FMsc_Research%2FCompleted%2F500_2005-2009%2Fdoc%2FKERP_Master_Thesis_Report.pdf&ei=IqhzT5jaCavs2AWy66T1Dg&usg=AFQjCNEDhvxYmEh7FJHIudcrGjPZwcB13Q&sig2=Y0Zz_BdLBGu0PoFBSN6qLg The Design of Contour Trenches in Vietnam] Copyright by Kharis Erasta Reza Pramana Delft, The Netherlands, October 2007.
* [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CC4QFjAA&url=http%3A%2F%2Fwww.bebuffered.com%2Fdownloads%2Fsussman_contour_trenches.pdf&ei=e6t0T7O6FMqRiALI26zDCQ&usg=AFQjCNF_0jYbzUhQaxznk2DZGMjztGnG7Q&sig2=uhbWzb4fop2OXOofo721mA Sussman Design Manual: Contour Trenches] - Using the "A" frame and how to make a contour trench.
==Acknowledgements==
* CARE Nederland, ''Desk Study Resilient WASH systems in drought prone areas.'' October 2010.
* Sussman, Daniel. [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CC4QFjAA&url=http%3A%2F%2Fwww.bebuffered.com%2Fdownloads%2Fsussman_contour_trenches.pdf&ei=e6t0T7O6FMqRiALI26zDCQ&usg=AFQjCNF_0jYbzUhQaxznk2DZGMjztGnG7Q&sig2=uhbWzb4fop2OXOofo721mA ''Design Manual: Contour Trenches'']. Bren School of Environmental Science and Management, University of California Santa Barbara. 2007.
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