Changes

Percussion drilling

7 bytes added, 02:11, 29 June 2016

→‎Manuals, videos and links

* A Water Handbook, Technical Guidelines Series, UNICEF, 1999 - Programming and implementation. [http://www.unicef.org/wash/files/Wat_e.pdf Download].

* Technology notes, section 7; Tube wells and boreholes, WaterAid - An overview of human-powered drilling technologies. [http://www.ewbwateraid.neu.eduorg/~/wikimedia/filesPublications/Technology_notes_07_web_1technology-notes-2011.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 Lifewater International]. Under 'Cable Tool Wells'.

• ← Older edit

Winona

Akvopedia-spade, akvouser, bureaucrat, emailconfirmed, staff, susana-working-group-1, susana-working-group-10, susana-working-group-11, susana-working-group-12, susana-working-group-2, susana-working-group-3, susana-working-group-4, susana-working-group-5, susana-working-group-6, susana-working-group-7, susana-working-group-8, susana-working-group-9, susana-working-group-susana-member, administrator, widget editor

30,949

edits