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Percussion drilling

No change in size, 20:31, 22 October 2015
→‎Manuals, videos and links
* Technology notes, section 7; Tube wells and boreholes, WaterAid - An overview of human-powered drilling technologies. [http://www.ewb.neu.edu/wiki/files/Technology_notes_07_web_1.pdf Download]. Website of [http://www.wateraid.org/uk Wateraid.org].
* Water for the World, Technical note series rws 2, USAID 1982 - Technical notes on methods of developing of groundwater, manual drilling techniques. [http://www.lifewater.org/resources/ground_water.html Website Livewater Lifewater International]. Under 'Cable Tool Wells'.
* Multi-service procedures for well-drilling operations, field manual chapter 9, US Military Chapter 9, alternative well construction, manual drilling techniques - [http://navybmr.com/study%20material/14080a/14080A_ch9.pdf Download].
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