10.17028/rd.lboro.8059190.v1 Kay Davey Kay Davey Rod Shaw Rod Shaw Ken Chatterton Ken Chatterton Suggested digging techniques for hand-dug wells in different strata Loughborough University 2019 WEDC Technical Wells International and Development Communication 2019-05-02 11:32:47 Figure https://repository.lboro.ac.uk/articles/figure/Suggested_digging_techniques_for_hand-dug_wells_in_different_strata/8059190 Suggested digging techniques for hand-dug wells in different strata