1. Drilled Wells.   72 page manual outlining common drilling methodology  for water well construction  - as typically applied on a PAT Drilling machine.

2. PAT Book of borehole designs. A short guide to water well construction using uPVC plastic casing & screen linings in common use with PAT machines.

3.  PAT Borehole Development Compressor. An explanatory manual that details the application of using a small capacity air compressor  to  clean  and develop screened boreholes.

4. World Bank WSP water & sanitation program paper entitled:

                               "Solutions for Reducing Borehole Cost in Rural Africa" English Portugese French

5. BGS Index to African hydrogeology reports. Individual country reports give an excellent review of the geology type and available groundwater and form an excellent background to recommend a suitable borehole construction method, depth, diameter & well design.

BGS (British Geological Survey) is the world’s leading Geological Surveys,  providing impartial advice and expert service on all areas of geosciences.

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