10.17028/rd.lboro.8059202.v1 Kay Davey Kay Davey Rod Shaw Rod Shaw Ken Chatterton Ken Chatterton Well excavation supported by the modified Chicago method Loughborough University 2019 WEDC Technical Wells International and Development Communication 2019-05-02 11:33:09 Figure https://repository.lboro.ac.uk/articles/figure/Well_excavation_supported_by_the_modified_Chicago_method/8059202 Well excavation supported by the modified Chicago method