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→‎Manuals, videos, and links
* [http://www.wellspringafrica.org Manuals] on Percussion drilling, well construction, manufacturing tools. Cliff Missen, Wellspring Africa, draft 4.
* [http://www.ghanamission.org Manual/AA%20Drilling%20Manual.pdf Drilling Water Wells by Hand.] on hydrogeology, well construction, Percussion, manufacturing tools, implementation. GWAM, Ghana.
* [http://www.lifewater.ca/manuals.htm Manual] on hydrogeology, well construction, all drilling techniques, hand pumps and more.
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