Rope and washer pump being used for de-watering a well excavation Kay Davey Rod Shaw Ken Chatterton 10.17028/rd.lboro.8059187.v1 https://repository.lboro.ac.uk/articles/figure/Rope_and_washer_pump_being_used_for_de-watering_a_well_excavation/8059187 Rope and washer pump being used for de-watering a well excavation 2019-05-02 11:32:53 WEDC Technical Wells International and Development Communication